Agent 0: (42,2)->(42,3)->(43,3)->(44,3)->(44,4)->(45,4)->(45,5)->(45,6)->(45,7)->(45,7)->(46,7)->(46,8)->(46,9)->(45,9)->(45,10)->(44,10)->(44,11)->(44,12)->(44,13)->(43,13)->(43,14)->(43,15)->(43,16)->(43,17)->(43,18)->(42,18)->(42,19)->(42,20)->(42,21)->(42,22)->(42,23)->(42,24)->(42,25)->(42,26)->(42,27)->(41,27)->(40,27)->(39,27)->(38,27)->(37,27)->(36,27)->(35,27)->(35,26)->(34,26)->(33,26)->(33,27)->(32,27)->(31,27)->(31,28)->(31,29)->(30,29)->(29,29)->(28,29)->(27,29)->(26,29)->(25,29)->(25,30)->(24,30)->(23,30)->(22,30)->(21,30)->(20,30)->(19,30)->(18,30)->(17,30)->(16,30)->(15,30)->(14,30)->(13,30)->(13,29)->(13,28)->(13,27)->(13,26)->(13,25)->(12,25)->(11,25)->(10,25)->(9,25)->(8,25)->(7,25)->(7,24)->(7,23)->(6,23)->(5,23)->(5,22)->(5,21)->(5,20)->(5,19)->
Agent 1: (7,52)->(7,51)->(7,50)->(7,49)->(7,48)->(7,47)->(8,47)->(9,47)->(9,46)->(10,46)->(11,46)->(11,45)->(11,44)->(12,44)->(12,43)->(13,43)->(13,42)->(13,42)->(13,41)->(13,40)->(13,39)->(12,39)->(11,39)->(11,38)->(11,37)->(11,36)->(11,35)->(11,34)->(10,34)->(10,33)->(10,32)->(10,31)->(10,30)->(10,29)->(10,28)->(10,27)->(10,26)->(10,25)->(10,24)->(10,23)->(10,22)->(10,21)->(11,21)->(11,20)->(11,19)->(12,19)->(12,18)->(13,18)->(14,18)->(15,18)->
Agent 2: (53,2)->(53,3)->(52,3)->(51,3)->(50,3)->(50,4)->(49,4)->(48,4)->(47,4)->(47,5)->(47,6)->(46,6)->(46,7)->(46,8)->(46,9)->(45,9)->(45,10)->(44,10)->(44,11)->(44,12)->(44,13)->(44,14)->(43,14)->(43,15)->(43,16)->(43,17)->(43,18)->(42,18)->(42,19)->(42,20)->(42,21)->(42,22)->(42,23)->(42,24)->(42,25)->(42,26)->(42,27)->(42,28)->(42,29)->(42,30)->(42,31)->(42,32)->(42,33)->(42,34)->(41,34)->(40,34)->(39,34)->(38,34)->(38,35)->(38,36)->(38,37)->(38,38)->(38,39)->(38,40)->(38,41)->(38,42)->(38,43)->(39,43)->(39,44)->(39,45)->(39,46)->(40,46)->(41,46)->(41,47)->(41,48)->(41,49)->(41,50)->(41,51)->(41,52)->(40,52)->(39,52)->(38,52)->(38,51)->(38,50)->
Agent 3: (19,46)->(20,46)->(20,47)->(20,48)->(20,49)->(21,49)->(22,49)->(23,49)->(24,49)->(25,49)->(25,50)->(25,51)->(25,52)->(26,52)->(27,52)->(28,52)->(28,53)->(29,53)->(30,53)->(31,53)->(31,54)->(31,55)->(32,55)->(33,55)->(34,55)->(34,54)->(34,53)->(35,53)->(35,52)->(36,52)->(37,52)->(38,52)->(39,52)->(40,52)->(41,52)->(41,51)->(41,50)->(41,49)->(41,48)->(41,47)->(41,46)->(41,45)->(42,45)->
Agent 4: (54,17)->(55,17)->(55,16)->(55,15)->(55,14)->(55,13)->(55,12)->(55,11)->(56,11)->(57,11)->(58,11)->(58,10)->
Agent 5: (41,11)->(41,10)->(42,10)->(42,9)->(43,9)->(44,9)->(45,9)->(46,9)->(46,8)->(46,7)->(46,6)->(46,5)->(46,4)->(47,4)->(48,4)->(49,4)->(49,5)->(49,6)->(49,7)->
Agent 6: (4,61)->(5,61)->(5,60)->(5,59)->(5,58)->(5,57)->(5,56)->(5,55)->(6,55)->(6,54)->(7,54)->(8,54)->(9,54)->(10,54)->(11,54)->(11,53)->(11,52)->(11,51)->(12,51)->(12,50)->(12,49)->(12,48)->(12,47)->(13,47)->(13,46)->(13,45)->(14,45)->(15,45)->(16,45)->(17,45)->(17,44)->(18,44)->(18,43)->(18,42)->(18,41)->(18,40)->(18,39)->(18,38)->(19,38)->(20,38)->(21,38)->(22,38)->(23,38)->(24,38)->(25,38)->(26,38)->(27,38)->(27,37)->(27,36)->(27,35)->(27,34)->(27,33)->(27,32)->(27,31)->(28,31)->(29,31)->(29,30)->(29,29)->(29,28)->(30,28)->(31,28)->(31,28)->(31,27)->(32,27)->(33,27)->(34,27)->(35,27)->(36,27)->(37,27)->(38,27)->(39,27)->(40,27)->(41,27)->(42,27)->(42,28)->(42,29)->(42,30)->(42,31)->(42,32)->(42,33)->(43,33)->(43,34)->(43,35)->(43,36)->
Agent 7: (11,28)->(11,29)->(10,29)->(10,30)->(10,31)->(10,32)->(10,33)->(11,33)->(11,34)->(12,34)->(12,35)->(13,35)->(13,36)->(13,37)->(13,38)->(13,39)->(13,40)->(13,41)->(12,41)->(12,42)->(12,43)->(12,44)->(12,45)->(12,46)->(12,47)->(12,48)->(12,49)->(13,49)->(13,50)->(14,50)->(14,51)->(14,52)->(15,52)->(15,53)->(15,54)->(15,55)->(16,55)->
Agent 8: (17,26)->(17,27)->(17,28)->(17,29)->(17,30)->(16,30)->(15,30)->(14,30)->(14,31)->(13,31)->(12,31)->(11,31)->(10,31)->(10,32)->(10,33)->(11,33)->(12,33)->(13,33)->(13,34)->(13,35)->(13,36)->(13,37)->(13,38)->(13,39)->(13,40)->(13,41)->(13,42)->(13,43)->(14,43)->(14,44)->(15,44)->(15,45)->(16,45)->(17,45)->(17,44)->(18,44)->(19,44)->
Agent 9: (7,12)->(6,12)->(6,13)->(5,13)->(5,14)->(5,15)->(5,16)->(5,17)->(6,17)->(6,18)->(6,19)->(7,19)->(7,20)->(7,21)->(7,22)->(7,23)->(7,24)->(7,25)->(7,26)->(7,27)->(7,28)->(7,29)->(7,30)->(7,31)->(7,32)->(7,33)->(8,33)->(9,33)->(9,34)->(9,35)->(9,36)->(10,36)->(10,37)->(10,38)->(11,38)->(11,39)->(12,39)->(13,39)->(13,40)->(13,41)->(14,41)->(15,41)->(15,42)->(15,43)->(15,44)->(15,45)->(16,45)->(17,45)->(18,45)->(19,45)->(19,46)->(19,47)->(20,47)->(20,48)->(20,49)->(21,49)->(22,49)->(23,49)->(24,49)->(25,49)->(26,49)->(27,49)->(27,50)->(27,51)->(28,51)->(29,51)->(30,51)->(30,52)->(30,53)->(30,54)->(30,55)->(30,56)->(30,57)->(31,57)->(31,58)->
Agent 10: (52,1)->(53,1)->(53,2)->
Agent 11: (28,43)->(27,43)->(26,43)->(25,43)->(25,42)->(25,41)->(24,41)->(23,41)->(22,41)->(21,41)->(20,41)->(19,41)->(18,41)->(18,40)->(18,39)->(19,39)->(19,38)->(20,38)->(21,38)->(22,38)->(23,38)->(24,38)->(25,38)->(25,37)->(25,36)->(25,35)->(25,34)->(25,33)->(26,33)->(27,33)->(27,32)->(27,31)->(28,31)->(28,30)->(29,30)->(30,30)->(30,29)->(30,28)->(31,28)->(31,27)->(32,27)->(33,27)->(34,27)->(35,27)->(36,27)->(37,27)->(38,27)->(39,27)->(40,27)->(41,27)->(41,26)->(42,26)->(42,25)->(42,24)->(42,23)->(43,23)->(43,22)->(43,21)->(43,20)->(43,19)->(43,18)->(43,17)->(43,16)->(43,15)->(44,15)->(44,14)->(44,13)->(45,13)->(46,13)->(46,12)->(46,11)->(46,10)->(46,9)->(46,8)->(46,7)->(45,7)->(44,7)->(43,7)->(42,7)->(41,7)->(40,7)->(39,7)->(39,6)->(39,5)->(38,5)->
Agent 12: (5,21)->(5,22)->(5,23)->(6,23)->(7,23)->(7,24)->(7,25)->(8,25)->(9,25)->(10,25)->(11,25)->(12,25)->(13,25)->(13,26)->(14,26)->(15,26)->(15,27)->(15,28)->(15,29)->(15,30)->(16,30)->(17,30)->(18,30)->(19,30)->(20,30)->(21,30)->(22,30)->(23,30)->(24,30)->(25,30)->(25,29)->(25,28)->(26,28)->(26,27)->(27,27)->(28,27)->(29,27)->(30,27)->(31,27)->(32,27)->(33,27)->(34,27)->(35,27)->(36,27)->(37,27)->(38,27)->(39,27)->(40,27)->(41,27)->(41,26)->(41,25)->(42,25)->(42,24)->(42,23)->(43,23)->(43,22)->(43,21)->(43,20)->(43,19)->(43,18)->(43,17)->(43,16)->(43,15)->(43,14)->(43,13)->(43,12)->(43,11)->(43,10)->
Agent 13: (60,33)->(60,34)->(61,34)->(62,34)->(62,35)->(62,36)->(63,36)->(63,37)->(63,38)->(63,39)->(63,40)->(63,41)->(63,42)->(62,42)->(61,42)->(60,42)->(59,42)->(59,43)->(58,43)->(57,43)->(57,44)->(57,45)->(56,45)->(55,45)->(54,45)->(53,45)->(53,46)->(52,46)->(51,46)->(50,46)->(49,46)->(48,46)->(47,46)->(46,46)->(45,46)->(44,46)->(43,46)->(42,46)->(41,46)->(40,46)->(39,46)->(38,46)->(38,45)->(38,44)->(38,43)->(38,42)->(38,41)->(38,40)->(38,39)->(38,38)->(37,38)->(36,38)->(36,37)->(35,37)->(35,36)->(35,35)->(35,34)->(34,34)->(34,33)->(34,32)->(34,31)->(33,31)->(33,30)->(33,29)->(33,28)->(33,28)->(33,27)->(32,27)->(31,27)->(31,28)->(31,29)->(30,29)->(30,30)->(29,30)->(28,30)->(27,30)->(26,30)->(25,30)->(24,30)->(23,30)->(22,30)->(21,30)->(20,30)->(19,30)->(18,30)->(17,30)->(16,30)->(15,30)->(14,30)->(13,30)->(12,30)->(12,31)->(11,31)->(10,31)->(10,32)->(10,33)->(9,33)->(8,33)->(7,33)->(7,32)->(7,31)->(6,31)->(6,30)->(5,30)->(4,30)->(3,30)->
Agent 14: (22,58)->(22,59)->(23,59)->(23,60)->(23,61)->(23,62)->(23,63)->(24,63)->(25,63)->(26,63)->(27,63)->(28,63)->(29,63)->(30,63)->(31,63)->(31,62)->(31,61)->(31,60)->(31,59)->(31,58)->(32,58)->(33,58)->(34,58)->(35,58)->(36,58)->(37,58)->(37,57)->(37,56)->(37,55)->(38,55)->(38,54)->(39,54)->(39,53)->(39,52)->(40,52)->(41,52)->(41,51)->(41,50)->(41,49)->(41,48)->(41,47)->(42,47)->(43,47)->(44,47)->(45,47)->(46,47)->(46,46)->(47,46)->(48,46)->(49,46)->(49,45)->(50,45)->(50,44)->(50,43)->(51,43)->(51,42)->(52,42)->(53,42)->(53,41)->(54,41)->(55,41)->(55,40)->(55,39)->(55,38)->(55,37)->(55,36)->(55,35)->(55,34)->(55,33)->(55,32)->(55,31)->(56,31)->(57,31)->(58,31)->(59,31)->(59,30)->(59,29)->(59,28)->(59,27)->(59,26)->(59,25)->(59,24)->(59,23)->(59,22)->(58,22)->
Agent 15: (37,3)->(38,3)->(38,4)->(39,4)->(39,5)->(39,6)->(39,7)->(40,7)->(41,7)->(42,7)->(43,7)->(44,7)->(45,7)->(46,7)->(46,8)->(46,9)->(46,10)->(46,11)->(46,12)->(46,13)->(45,13)->(44,13)->(44,14)->(44,15)->(43,15)->(43,16)->(43,17)->(43,18)->(43,19)->(43,20)->(42,20)->(42,21)->(42,22)->(42,23)->(42,24)->(42,25)->(41,25)->(41,26)->(41,27)->(40,27)->(39,27)->(38,27)->(37,27)->(37,26)->(36,26)->(36,27)->(35,27)->(34,27)->(33,27)->(32,27)->(31,27)->(30,27)->(30,28)->(29,28)->(29,29)->(28,29)->(28,30)->(27,30)->(26,30)->(25,30)->(24,30)->(23,30)->(22,30)->(21,30)->(20,30)->(19,30)->(18,30)->(17,30)->(16,30)->(15,30)->(14,30)->(13,30)->(12,30)->(12,29)->(12,28)->(12,27)->(12,26)->(12,25)->(11,25)->(10,25)->(9,25)->(8,25)->(7,25)->(7,24)->(7,23)->(6,23)->(6,22)->(6,21)->(6,20)->(6,19)->(6,18)->(5,18)->(5,17)->(5,16)->(5,15)->(5,14)->(5,13)->(6,13)->(7,13)->(8,13)->(9,13)->(10,13)->(11,13)->(12,13)->(13,13)->(14,13)->(15,13)->(16,13)->(17,13)->(17,12)->(18,12)->(18,11)->(18,10)->(19,10)->(20,10)->(21,10)->(22,10)->(23,10)->(24,10)->(25,10)->(26,10)->(27,10)->(28,10)->(28,11)->(28,12)->(28,13)->(28,14)->
Agent 16: (54,58)->(53,58)->(52,58)->(52,57)->(52,56)->(52,55)->(53,55)->(54,55)->(55,55)->(56,55)->(57,55)->(57,54)->(58,54)->(58,53)->(58,52)->(59,52)->(59,51)->(59,50)->(59,49)->(59,48)->(59,47)->(59,46)->(59,45)->(58,45)->(57,45)->(56,45)->(55,45)->(55,44)->(55,43)->(55,42)->(55,41)->(54,41)->(54,41)->(54,41)->(54,41)->(54,41)->(55,41)->(55,40)->(55,39)->(55,38)->(55,37)->(55,36)->(55,35)->(55,34)->(55,33)->(55,32)->(55,31)->(55,30)->(55,29)->(55,28)->(55,27)->(55,26)->(55,25)->(55,24)->(55,23)->(55,22)->(54,22)->(53,22)->(52,22)->(51,22)->(50,22)->
Agent 17: (55,63)->(54,63)->(53,63)->(52,63)->(52,62)->(52,61)->(52,60)->(52,59)->(52,58)->(52,57)->(52,56)->(52,55)->(53,55)->(54,55)->(55,55)->(56,55)->(57,55)->(57,54)->(58,54)->(58,53)->(59,53)->(59,52)->(59,51)->(59,50)->(59,49)->(59,48)->(59,47)->(58,47)->(58,46)->(58,45)->(58,45)->(58,45)->(58,45)->(57,45)->(56,45)->(55,45)->(54,45)->(53,45)->(53,46)->(52,46)->(51,46)->(50,46)->(49,46)->(48,46)->(47,46)->(46,46)->(45,46)->(44,46)->(43,46)->(42,46)->(41,46)->(40,46)->(39,46)->(39,45)->(39,44)->(39,43)->(39,42)->(38,42)->(38,41)->(38,40)->(38,39)->(38,38)->(38,37)->(38,36)->(37,36)->(36,36)->(35,36)->(34,36)->(34,35)->(34,34)->(34,33)->(34,32)->(34,31)->(34,30)->(34,29)->(34,28)->(34,27)->(33,27)->(32,27)->(31,27)->(30,27)->(30,28)->(29,28)->(28,28)->(28,29)->(28,30)->(27,30)->(26,30)->(25,30)->(24,30)->(23,30)->(22,30)->(21,30)->(20,30)->(19,30)->(18,30)->(17,30)->(16,30)->(15,30)->(14,30)->(13,30)->(12,30)->(11,30)->(10,30)->(10,29)->(9,29)->(9,28)->(9,27)->(9,26)->(9,25)->(8,25)->(7,25)->(7,24)->(7,23)->(7,22)->(6,22)->(6,21)->(6,20)->(6,19)->(6,18)->(6,17)->(5,17)->(5,16)->(5,15)->(4,15)->(3,15)->(2,15)->
Agent 18: (21,57)->(20,57)->(20,58)->(20,59)->(20,60)->(20,61)->(20,62)->(19,62)->(18,62)->(17,62)->(16,62)->(15,62)->(15,61)->(15,60)->(14,60)->(14,59)->(14,58)->(14,57)->(14,56)->(14,55)->(14,54)->(13,54)->(13,53)->(13,52)->(12,52)->(12,51)->(12,50)->(12,49)->(12,48)->(12,47)->(13,47)->(14,47)->(15,47)->(15,46)->(15,45)->(16,45)->(17,45)->(17,46)->
Agent 19: (12,48)->(12,47)->(12,46)->(12,45)->(13,45)->(14,45)->(15,45)->(16,45)->(17,45)->(17,46)->(18,46)->(18,47)->(19,47)->(20,47)->(20,48)->(20,49)->(20,50)->(19,50)->(18,50)->
Agent 20: (23,29)->(23,30)->(24,30)->(25,30)->(26,30)->(27,30)->(27,29)->(27,28)->(28,28)->(29,28)->(30,28)->(30,27)->(31,27)->(32,27)->(33,27)->(34,27)->(35,27)->(36,27)->(37,27)->(38,27)->(39,27)->(40,27)->(41,27)->(41,26)->(41,25)->(42,25)->(42,24)->(42,23)->(43,23)->(43,22)->(43,21)->(43,20)->(43,19)->(43,18)->(43,17)->(43,16)->(43,15)->(44,15)->(45,15)->(45,14)->(46,14)->(46,13)->(46,12)->(46,11)->(46,10)->(46,9)->(46,8)->(46,7)->(47,7)->(47,6)->
Agent 21: (41,1)->(41,2)->(42,2)->(43,2)->(43,3)->(44,3)->(44,4)->(44,5)->(44,6)->(45,6)->(45,7)->(46,7)->(46,8)->(46,9)->(46,10)->(45,10)->(44,10)->(44,11)->(44,12)->(43,12)->(43,13)->(43,14)->(43,15)->(43,16)->(43,17)->(43,18)->(42,18)->(42,19)->(42,20)->(42,21)->(42,22)->(42,23)->(42,24)->(42,25)->(42,26)->(41,26)->(41,27)->(40,27)->(39,27)->(39,26)->(38,26)->(37,26)->(36,26)->(36,25)->(36,24)->(36,23)->(36,22)->(36,21)->(35,21)->(34,21)->(34,20)->(33,20)->(33,19)->(33,18)->(32,18)->(31,18)->(30,18)->(30,17)->(29,17)->(28,17)->
Agent 22: (5,34)->(5,33)->(6,33)->(7,33)->(7,32)->(7,31)->(6,31)->(6,30)->(6,29)->(5,29)->(5,28)->(4,28)->(4,27)->
Agent 23: (19,50)->(19,49)->(19,49)->(19,49)->(19,49)->(20,49)->(20,48)->(20,47)->(19,47)->(19,46)->(19,45)->(18,45)->(18,44)->(18,43)->(18,42)->(18,41)->(18,40)->(18,39)->(18,38)->(19,38)->(20,38)->(21,38)->(22,38)->(23,38)->(24,38)->(25,38)->(25,37)->(25,36)->(26,36)->(26,35)->(26,34)->(26,33)->(27,33)->(27,32)->(27,31)->(27,30)->(27,29)->(28,29)->(28,28)->(29,28)->(29,27)->(30,27)->(31,27)->(32,27)->(33,27)->(33,28)->(34,28)->(35,28)->(36,28)->(37,28)->(38,28)->(39,28)->(39,28)->(39,27)->(40,27)->(41,27)->(41,26)->(41,25)->(42,25)->(42,24)->(42,23)->(43,23)->(43,22)->(43,21)->(43,20)->(43,19)->(43,18)->(43,17)->(43,16)->(43,15)->(44,15)->
Agent 24: (35,22)->(35,23)->(36,23)->(36,24)->(36,25)->(36,26)->(36,27)->(37,27)->(38,27)->(39,27)->(40,27)->(41,27)->(41,28)->(41,29)->(42,29)->(43,29)->(44,29)->
Agent 25: (25,57)->(26,57)->(27,57)->(28,57)->(29,57)->(30,57)->(30,56)->(30,55)->(31,55)->(32,55)->(33,55)->(34,55)->(35,55)->(36,55)->(36,54)->(37,54)->(38,54)->(38,53)->(38,52)->(39,52)->(40,52)->(41,52)->(41,53)->
Agent 26: (4,42)->(5,42)->(6,42)->(7,42)->(7,43)->(7,44)->(7,45)->(7,46)->(7,47)->(8,47)->(9,47)->(10,47)->(11,47)->(12,47)->(13,47)->(14,47)->(14,46)->(14,45)->(15,45)->(16,45)->(17,45)->(17,44)->(17,43)->(18,43)->(18,42)->(18,41)->(18,40)->(18,39)->(19,39)->(19,38)->(20,38)->(21,38)->(22,38)->(23,38)->(24,38)->(25,38)->(26,38)->(27,38)->(27,37)->(27,36)->(27,35)->(27,34)->(27,33)->(27,32)->(27,31)->(27,30)->(28,30)->(28,29)->(28,28)->(29,28)->(30,28)->(31,28)->(31,27)->(31,26)->(31,26)->(31,26)->(31,26)->(31,26)->(31,26)->(31,26)->(31,26)->(31,27)->(32,27)->(33,27)->(34,27)->(35,27)->(36,27)->(37,27)->(38,27)->(39,27)->(40,27)->(41,27)->(42,27)->(42,26)->(42,25)->(42,24)->(42,23)->(42,22)->(42,21)->(42,20)->(42,19)->(43,19)->(44,19)->(44,18)->(45,18)->(45,17)->
Agent 27: (44,17)->(44,18)->(45,18)->(46,18)->(47,18)->(48,18)->(49,18)->(50,18)->(50,19)->(51,19)->(51,20)->(51,21)->(51,22)->(51,23)->(52,23)->(53,23)->(54,23)->(55,23)->(55,24)->(55,25)->(55,26)->(55,27)->(55,28)->(55,29)->(55,30)->(55,31)->(55,32)->(55,33)->(55,34)->(55,35)->(55,36)->(55,37)->(55,38)->(55,39)->(55,40)->(55,41)->(55,42)->(54,42)->(54,43)->(55,43)->(55,44)->(55,45)->(55,46)->
Agent 28: (57,3)->(57,4)->(57,5)->(58,5)->(58,6)->(58,7)->(58,8)->(58,9)->(57,9)->(57,10)->(57,11)->(56,11)->(55,11)->(55,12)->(55,13)->(55,14)->(55,15)->(55,16)->(55,17)->(54,17)->(53,17)->(52,17)->(51,17)->(50,17)->(49,17)->(49,18)->(48,18)->(47,18)->(47,19)->(46,19)->(46,20)->(45,20)->(45,21)->(45,22)->(45,23)->(44,23)->(43,23)->(42,23)->(42,24)->(42,25)->(42,26)->(42,27)->(41,27)->(40,27)->(39,27)->(39,26)->(38,26)->(37,26)->(37,27)->(36,27)->(35,27)->(34,27)->(33,27)->(33,28)->(33,28)->(33,27)->(32,27)->(31,27)->(30,27)->(29,27)->(29,28)->(29,29)->(29,30)->(28,30)->(27,30)->(26,30)->(25,30)->(24,30)->(23,30)->(22,30)->(21,30)->(20,30)->(19,30)->(18,30)->(17,30)->(16,30)->(15,30)->(14,30)->(13,30)->(13,29)->(13,28)->(13,27)->(12,27)->(12,26)->(12,25)->(11,25)->(10,25)->(9,25)->(8,25)->(7,25)->(7,24)->(7,23)->(6,23)->(6,22)->(6,21)->(6,20)->(6,19)->(6,18)->(5,18)->(5,17)->(5,16)->(5,15)->(6,15)->(7,15)->(7,14)->(7,13)->(8,13)->(9,13)->(10,13)->(11,13)->(12,13)->(13,13)->(14,13)->(15,13)->(16,13)->(17,13)->(17,12)->(18,12)->(18,11)->(18,10)->(18,9)->(19,9)->(20,9)->(21,9)->(22,9)->(22,8)->(22,7)->(23,7)->(23,6)->(23,5)->(23,4)->(23,3)->(23,2)->(23,1)->(24,1)->(25,1)->
Agent 29: (35,55)->(35,55)->(35,55)->(35,55)->(35,55)->(35,55)->(35,55)->(35,55)->(35,54)->(35,54)->(35,54)->(35,54)->(35,54)->(35,54)->(35,54)->(36,54)->(37,54)->(38,54)->(39,54)->(39,55)->(39,55)->(39,55)->(39,55)->(39,55)->(39,55)->(39,55)->(39,55)->(39,55)->(39,55)->(39,55)->(39,55)->(39,55)->(39,54)->(38,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,54)->(37,55)->(37,56)->
Agent 30: (60,29)->(59,29)->(59,30)->(59,31)->(58,31)->(57,31)->(56,31)->(55,31)->(55,30)->(55,29)->(55,28)->(55,27)->(55,26)->(55,25)->(55,24)->(55,23)->(55,22)->(55,21)->(55,20)->(55,19)->(55,18)->(55,17)->(55,16)->(55,15)->(55,14)->(54,14)->(53,14)->(52,14)->(51,14)->
Agent 31: (52,23)->(52,22)->(52,21)->(52,20)->(52,19)->(51,19)->(50,19)->(49,19)->(49,18)->(48,18)->(47,18)->(46,18)->(45,18)->(45,19)->(44,19)->(43,19)->(43,20)->(43,21)->(42,21)->(42,22)->(42,23)->(42,24)->(42,25)->(42,26)->(41,26)->(41,27)->(40,27)->(39,27)->(38,27)->(37,27)->(36,27)->(35,27)->(34,27)->(33,27)->(32,27)->(31,27)->(31,28)->(31,29)->(30,29)->(30,30)->(29,30)->(28,30)->(27,30)->(26,30)->(25,30)->(24,30)->(23,30)->(22,30)->(21,30)->(20,30)->(19,30)->(18,30)->(17,30)->(16,30)->(15,30)->(14,30)->(14,29)->(14,28)->(14,27)->(14,26)->(13,26)->(13,25)->(12,25)->(11,25)->(10,25)->(10,24)->(10,23)->(9,23)->(9,22)->(9,21)->(8,21)->(7,21)->(7,20)->(7,19)->(7,18)->(7,17)->(7,17)->(6,17)->(5,17)->(5,16)->(5,15)->(5,14)->(5,13)->(6,13)->(7,13)->(8,13)->(9,13)->(9,12)->(9,11)->(9,10)->(10,10)->(10,9)->(11,9)->(12,9)->(12,8)->(12,7)->(13,7)->(14,7)->
Agent 32: (41,60)->(40,60)->(39,60)->(39,59)->(39,58)->(38,58)->(37,58)->(36,58)->(35,58)->(34,58)->(33,58)->(32,58)->(31,58)->(31,57)->(30,57)->(30,56)->(30,55)->(29,55)->(28,55)->(27,55)->(27,54)->(26,54)->(26,53)->(25,53)->(25,52)->(25,51)->(25,50)->(25,49)->(24,49)->(23,49)->(22,49)->(21,49)->(20,49)->(20,48)->(20,47)->(20,46)->(19,46)->(19,45)->(18,45)->(17,45)->(16,45)->(15,45)->(15,44)->(14,44)->(13,44)->(13,43)->(13,42)->(13,41)->(13,40)->(13,39)->(12,39)->(11,39)->(10,39)->(9,39)->(9,38)->(9,37)->(9,36)->(9,35)->(9,34)->(9,33)->(8,33)->(7,33)->(7,32)->(7,31)->(7,30)->(7,29)->(7,28)->(7,27)->(7,26)->(7,25)->(7,24)->(7,23)->(7,22)->(6,22)->(5,22)->(5,21)->(5,20)->(5,19)->(5,18)->(5,17)->(5,16)->(5,15)->(6,15)->(6,14)->(7,14)->(7,13)->(8,13)->(9,13)->(9,12)->(9,11)->(9,10)->(10,10)->(10,9)->(11,9)->(12,9)->(12,8)->(12,7)->(13,7)->(13,6)->(14,6)->(15,6)->(15,7)->(16,7)->(17,7)->(18,7)->(18,6)->(19,6)->(19,5)->(19,4)->(20,4)->
Agent 33: (51,53)->(51,54)->(51,55)->(52,55)->(53,55)->(54,55)->(55,55)->(56,55)->(57,55)->(57,54)->(58,54)->(59,54)->(59,53)->(59,52)->(59,51)->(59,50)->(59,49)->(59,48)->(59,47)->(59,46)->(58,46)->(57,46)->(57,45)->(56,45)->(55,45)->(54,45)->(53,45)->(53,46)->(52,46)->(51,46)->(50,46)->(49,46)->(48,46)->(47,46)->(46,46)->(45,46)->(44,46)->(43,46)->(42,46)->(41,46)->(40,46)->(39,46)->(38,46)->(38,45)->(38,44)->(38,43)->(38,42)->(38,41)->(38,40)->(38,39)->(37,39)->(36,39)->(36,38)->(36,37)->(35,37)->(34,37)->(34,36)->(34,35)->(34,34)->(34,33)->(34,32)->(34,31)->(34,30)->(34,29)->(34,28)->(34,28)->(34,27)->(33,27)->(32,27)->(31,27)->(30,27)->(29,27)->(29,28)->(29,29)->(28,29)->(27,29)->(26,29)->(25,29)->(25,30)->(24,30)->(23,30)->(22,30)->(21,30)->(20,30)->(19,30)->(18,30)->(17,30)->(16,30)->(15,30)->(14,30)->(14,29)->(14,28)->(13,28)->(12,28)->(11,28)->(10,28)->(10,27)->(9,27)->(9,26)->(9,25)->(8,25)->(7,25)->(7,24)->(7,23)->(6,23)->(6,22)->(6,21)->(6,20)->(6,19)->(6,18)->(5,18)->(5,17)->(5,16)->(5,15)->(5,14)->(5,13)->(5,12)->(5,11)->(5,10)->(5,9)->(5,8)->(5,7)->(6,7)->(6,6)->(7,6)->
Agent 34: (62,17)->(61,17)->(61,18)->(60,18)->(60,19)->(59,19)->(59,20)->(59,21)->(59,22)->(59,23)->(59,24)->(59,25)->(59,26)->(59,27)->(59,28)->(58,28)->(57,28)->(57,29)->(57,30)->(57,31)->(56,31)->(55,31)->(55,32)->(55,33)->(55,34)->(55,35)->(55,36)->(55,37)->(55,38)->(55,39)->(55,40)->(55,41)->(55,42)->(54,42)->(53,42)->(53,43)->(53,44)->(52,44)->(51,44)->(50,44)->(49,44)->(49,45)->(49,45)->(49,46)->(48,46)->(47,46)->(47,47)->(46,47)->(45,47)->(44,47)->(43,47)->(42,47)->(41,47)->(41,48)->(41,49)->(41,50)->(41,51)->(41,52)->(40,52)->(39,52)->(38,52)->(37,52)->(37,53)->(36,53)->(36,54)->(36,55)->(35,55)->(34,55)->(33,55)->(32,55)->(31,55)->(31,54)->(31,53)->(31,52)->(30,52)->(30,51)->(29,51)->(29,50)->(29,49)->(28,49)->(27,49)->(26,49)->(25,49)->(24,49)->(23,49)->(23,50)->(22,50)->(22,51)->(22,52)->(21,52)->(20,52)->(20,53)->(20,54)->
Agent 35: (39,34)->(40,34)->(41,34)->(42,34)->(42,33)->(42,32)->(42,31)->(43,31)->(44,31)->(45,31)->(46,31)->(47,31)->(47,30)->(48,30)->(49,30)->(49,29)->(50,29)->(50,28)->
Agent 36: (19,3)->(19,4)->(19,5)->(19,6)->(19,7)->(18,7)->(17,7)->(16,7)->(15,7)->(14,7)->(13,7)->(12,7)->(12,8)->(12,9)->(12,10)->(11,10)->(10,10)->(9,10)->(9,11)->(9,12)->(9,13)->(8,13)->(7,13)->(7,14)->(7,15)->(6,15)->(5,15)->(5,16)->(5,17)->(5,18)->(5,19)->(5,20)->(6,20)->(7,20)->(7,21)->(7,22)->(7,23)->(7,24)->(7,25)->(7,26)->(7,27)->(7,28)->(7,29)->(7,30)->(7,31)->(7,32)->(7,33)->(8,33)->(9,33)->(9,34)->(10,34)->(10,35)->(10,36)->(10,37)->(11,37)->(12,37)->(12,38)->(12,39)->(13,39)->(13,40)->(13,41)->(14,41)->(14,42)->(14,43)->(14,44)->(14,45)->(15,45)->(16,45)->(17,45)->(18,45)->(18,46)->(19,46)->(19,47)->(20,47)->(20,48)->(20,49)->(19,49)->(19,50)->(19,51)->(19,52)->(19,53)->(19,54)->(18,54)->
Agent 37: (57,42)->(57,43)->(57,44)->(57,45)->(56,45)->(55,45)->(54,45)->(54,46)->
Agent 38: (7,10)->(7,11)->(6,11)->(6,12)->(6,13)->(5,13)->(5,14)->(5,15)->(5,16)->(5,17)->(6,17)->(6,18)->(7,18)->(7,19)->(7,20)->(7,21)->(8,21)->(9,21)->(9,22)->(10,22)->(10,23)->(10,24)->(10,25)->(10,26)->(10,27)->(10,28)->(10,29)->(11,29)->(12,29)->(13,29)->(14,29)->(14,30)->(15,30)->(16,30)->(17,30)->(18,30)->(19,30)->(20,30)->(21,30)->(22,30)->(23,30)->(24,30)->(25,30)->(25,29)->(26,29)->(26,28)->(27,28)->(28,28)->(29,28)->(30,28)->(31,28)->(31,27)->(32,27)->(33,27)->(34,27)->(34,26)->(35,26)->(36,26)->(37,26)->(38,26)->(39,26)->(39,27)->(40,27)->(41,27)->(41,28)->(41,29)->(41,30)->(42,30)->(43,30)->(44,30)->(45,30)->(46,30)->(47,30)->(48,30)->(49,30)->(50,30)->(51,30)->(52,30)->(53,30)->(53,31)->(54,31)->(55,31)->(56,31)->(57,31)->(57,30)->(57,29)->(57,28)->(58,28)->(58,27)->(59,27)->(60,27)->(60,26)->(61,26)->(62,26)->
Agent 39: (39,51)->(38,51)->(38,52)->(37,52)->(37,53)->(36,53)->(36,54)->(35,54)->(34,54)->(33,54)->(33,54)->(33,55)->(32,55)->(31,55)->(31,54)->(30,54)->(30,53)->(30,52)->(29,52)->(29,51)->(28,51)->(27,51)->(27,50)->(26,50)->(26,49)->(25,49)->(24,49)->(23,49)->(22,49)->(21,49)->(20,49)->(20,48)->(20,47)->(19,47)->(18,47)->(18,46)->(18,45)->(17,45)->(16,45)->(15,45)->(15,44)->(15,43)->(14,43)->(14,42)->(13,42)->(13,41)->(13,40)->(13,39)->(12,39)->(11,39)->(10,39)->(10,38)->(9,38)->(9,37)->(9,36)->(9,35)->(9,34)->(9,33)->(8,33)->(7,33)->(7,32)->(7,31)->(7,30)->(7,29)->(7,28)->(7,27)->(7,26)->(7,25)->(7,24)->(7,23)->(7,22)->(6,22)->(6,21)->(6,20)->(6,19)->(6,18)->(6,17)->(5,17)->(5,16)->(5,15)->(6,15)->(6,14)->(7,14)->(7,13)->(8,13)->(9,13)->(10,13)->(11,13)->(12,13)->(13,13)->(14,13)->(15,13)->(16,13)->(17,13)->(17,12)->(17,11)->(18,11)->(18,10)->(19,10)->(20,10)->(21,10)->(22,10)->(23,10)->(24,10)->(25,10)->(25,9)->(25,8)->(25,7)->(25,6)->(26,6)->(27,6)->(28,6)->
Agent 40: (39,14)->(38,14)->(37,14)->(37,13)->(37,12)->(36,12)->(36,11)->(36,10)->(36,9)->(36,8)->(36,7)->(37,7)->(38,7)->(39,7)->(40,7)->(41,7)->(42,7)->(43,7)->(44,7)->(45,7)->(46,7)->(46,8)->(46,9)->(46,10)->(45,10)->(44,10)->(44,11)->(44,12)->(44,13)->(44,14)->(43,14)->(43,15)->(43,16)->(43,17)->(42,17)->(42,18)->(42,19)->(42,20)->(42,21)->(42,22)->(42,23)->(42,24)->(42,25)->(42,26)->(42,27)->(42,27)->(42,27)->(42,27)->(42,27)->(42,27)->(41,27)->(40,27)->(39,27)->(38,27)->(37,27)->(36,27)->(35,27)->(34,27)->(33,27)->(32,27)->(31,27)->(30,27)->(29,27)->(29,28)->(28,28)->(28,29)->(27,29)->(27,30)->(27,31)->(27,32)->(27,33)->(27,34)->(27,35)->(26,35)->(25,35)->(25,36)->(25,37)->(25,38)->(24,38)->(23,38)->(22,38)->(22,39)->(21,39)->(20,39)->(19,39)->(18,39)->(18,40)->(18,41)->(18,42)->(17,42)->(17,43)->(17,44)->(17,45)->(16,45)->(15,45)->(15,46)->(15,47)->(14,47)->(13,47)->(12,47)->(12,48)->(12,49)->(12,50)->(13,50)->(13,51)->(14,51)->(14,52)->(14,53)->(14,54)->(14,55)->(14,56)->(14,57)->(13,57)->(13,58)->(13,59)->(13,60)->(12,60)->(11,60)->(10,60)->(9,60)->(9,61)->
Agent 41: (28,13)->(27,13)->(26,13)->(26,12)->(25,12)->(25,11)->(25,10)->(24,10)->(23,10)->(23,11)->(23,12)->(22,12)->(21,12)->(21,13)->(20,13)->(19,13)->(18,13)->(17,13)->(16,13)->(15,13)->(14,13)->(13,13)->(12,13)->(11,13)->(10,13)->(9,13)->(8,13)->(7,13)->(7,14)->(7,15)->(6,15)->(5,15)->(5,16)->(5,17)->(6,17)->(7,17)->(7,18)->(7,19)->(7,20)->(7,21)->(8,21)->(9,21)->(10,21)->(10,22)->(10,23)->(10,24)->(10,25)->(11,25)->(12,25)->(12,26)->(13,26)->(13,27)->(14,27)->(15,27)->(15,28)->(15,29)->(15,30)->(16,30)->(17,30)->(18,30)->(19,30)->(19,29)->(20,29)->(21,29)->(22,29)->(23,29)->(23,29)->(23,29)->(23,29)->(23,30)->(24,30)->(25,30)->(25,29)->(26,29)->(26,28)->(27,28)->(28,28)->(29,28)->(30,28)->(31,28)->(31,27)->(32,27)->(33,27)->(34,27)->(35,27)->(36,27)->(37,27)->(38,27)->(39,27)->(40,27)->(41,27)->(42,27)->(42,26)->(42,25)->(42,24)->(42,23)->(42,22)->(43,22)->(43,21)->(43,20)->(44,20)->(44,19)->(45,19)->(46,19)->(47,19)->(47,18)->(48,18)->(49,18)->(49,17)->(50,17)->(51,17)->(52,17)->(53,17)->(54,17)->(55,17)->(55,16)->(55,15)->(55,14)->(55,13)->(55,12)->(55,11)->(56,11)->(57,11)->(57,10)->(57,9)->(58,9)->(58,8)->
Agent 42: (62,34)->(62,35)->(62,36)->(62,37)->(62,38)->(63,38)->(63,39)->(63,40)->(63,41)->(63,42)->(63,43)->(62,43)->(61,43)->(60,43)->(59,43)->(58,43)->(57,43)->(57,44)->(57,45)->(56,45)->(55,45)->(54,45)->(53,45)->(52,45)->(51,45)->(50,45)->(50,46)->(49,46)->(48,46)->(47,46)->(46,46)->(45,46)->(44,46)->(43,46)->(42,46)->(41,46)->(40,46)->(39,46)->(39,45)->(38,45)->(38,44)->(38,43)->(38,42)->(38,41)->(38,40)->(38,39)->(38,38)->(38,37)->(37,37)->(36,37)->(35,37)->(35,36)->(34,36)->(34,35)->(34,34)->(34,33)->(34,32)->(34,31)->(33,31)->(33,30)->(33,29)->(33,28)->(33,27)->(33,26)->(33,26)->(33,27)->(32,27)->(31,27)->(31,28)->(31,29)->(31,30)->(30,30)->(29,30)->(28,30)->(27,30)->(26,30)->(25,30)->(24,30)->(23,30)->(22,30)->(21,30)->(20,30)->(19,30)->(18,30)->(17,30)->(16,30)->(15,30)->(15,29)->(14,29)->(13,29)->(12,29)->(12,28)->(12,27)->(12,26)->
Agent 43: (29,1)->(28,1)->(27,1)->(26,1)->(25,1)->(24,1)->(23,1)->(23,2)->(23,3)->(22,3)->(21,3)->(20,3)->(19,3)->(18,3)->(17,3)->(17,4)->(17,5)->(17,6)->(17,7)->(16,7)->(15,7)->(14,7)->(13,7)->(13,6)->(13,5)->(13,4)->(12,4)->(12,3)->(12,2)->(11,2)->(11,1)->(10,1)->(9,1)->(8,1)->(7,1)->(6,1)->
Agent 44: (57,21)->(57,22)->(57,23)->(58,23)->(59,23)->(59,24)->(59,25)->(59,26)->(58,26)->(57,26)->(57,27)->(57,28)->(57,29)->(57,30)->(57,31)->(56,31)->(55,31)->(55,32)->(55,33)->(55,34)->(55,35)->(55,36)->(55,37)->(55,38)->(55,39)->(55,40)->(55,41)->(54,41)->(54,42)->(54,43)->(54,44)->(54,45)->(53,45)->(53,46)->(52,46)->(51,46)->(50,46)->(49,46)->(48,46)->(47,46)->(46,46)->(45,46)->(44,46)->(43,46)->(43,47)->(42,47)->(41,47)->(41,48)->(41,49)->(42,49)->(42,50)->(42,51)->(42,52)->(42,53)->(43,53)->(43,54)->
Agent 45: (33,51)->(33,52)->(34,52)->(35,52)->(36,52)->(37,52)->(38,52)->(39,52)->(40,52)->(41,52)->(41,51)->(41,50)->(41,49)->(41,48)->(41,47)->(41,46)->(42,46)->(43,46)->(44,46)->(45,46)->(46,46)->(47,46)->(48,46)->(49,46)->(50,46)->(51,46)->(51,45)->(52,45)->(53,45)->(54,45)->(55,45)->(56,45)->(57,45)->(57,46)->(57,47)->(58,47)->(59,47)->(59,48)->(59,49)->(59,50)->(59,51)->(59,52)->(59,53)->(59,54)->(59,55)->(59,56)->(59,57)->(60,57)->(60,58)->
Agent 46: (14,19)->(13,19)->(12,19)->(11,19)->(11,20)->(11,21)->(11,22)->(10,22)->(10,23)->(10,24)->(10,25)->(10,26)->(10,27)->(10,28)->(10,29)->(10,30)->(10,31)->(10,32)->(10,33)->(10,34)->(10,35)->(10,36)->(10,37)->(10,38)->(11,38)->(12,38)->(13,38)->
Agent 47: (31,4)->(31,5)->(30,5)->(30,6)->(30,7)->(29,7)->(28,7)->(27,7)->(26,7)->(25,7)->(25,8)->(25,9)->(25,10)->(24,10)->(23,10)->(22,10)->(21,10)->(20,10)->(20,11)->(20,12)->(20,13)->(19,13)->(18,13)->(17,13)->(16,13)->(15,13)->(14,13)->(13,13)->(12,13)->(11,13)->(10,13)->(9,13)->(8,13)->(7,13)->(7,14)->(6,14)->(5,14)->(5,15)->(5,16)->(5,17)->(6,17)->(6,18)->(7,18)->(7,19)->(7,20)->(7,21)->(8,21)->(9,21)->(9,22)->(9,23)->(10,23)->(10,24)->(10,25)->(11,25)->(11,26)->(12,26)->(12,27)->(12,28)->(13,28)->(13,29)->(13,30)->(13,31)->
Agent 48: (2,1)->(3,1)->(4,1)->(5,1)->(5,2)->(5,3)->(5,4)->(5,5)->(5,6)->(5,7)->(5,8)->(5,9)->(5,10)->(5,11)->(5,12)->(5,13)->(5,14)->(5,15)->(5,16)->(5,17)->(6,17)->(7,17)->(7,18)->(7,19)->(7,20)->(7,21)->(7,22)->(7,23)->(7,24)->(7,25)->(7,26)->(7,27)->(7,28)->(7,29)->(7,30)->(7,31)->(7,32)->(7,33)->(8,33)->(9,33)->(9,34)->(10,34)->(10,35)->(11,35)->(11,36)->(11,37)->(12,37)->(13,37)->(14,37)->(14,38)->(14,39)->(13,39)->(13,40)->(13,41)->(13,42)->(14,42)->(14,43)->(14,44)->(14,45)->(15,45)->(16,45)->(17,45)->(18,45)->(18,46)->(18,47)->(19,47)->(20,47)->(20,48)->(20,49)->(21,49)->(22,49)->(23,49)->(24,49)->(25,49)->(25,50)->(26,50)->(27,50)->(27,51)->(27,52)->(27,53)->(27,54)->(27,55)->(28,55)->(29,55)->(30,55)->(31,55)->(32,55)->(33,55)->(34,55)->(35,55)->(36,55)->(37,55)->(37,56)->(37,57)->(37,58)->(36,58)->(36,59)->(36,60)->(35,60)->(34,60)->(33,60)->(33,61)->(33,62)->(33,63)->
Agent 49: (38,13)->(37,13)->(37,12)->(36,12)->(36,11)->(36,10)->(36,9)->(36,8)->(36,7)->(37,7)->(38,7)->(39,7)->(40,7)->(41,7)->(42,7)->(43,7)->(44,7)->(45,7)->(46,7)->(46,8)->(46,9)->(46,10)->(45,10)->(44,10)->(44,11)->(44,12)->(44,13)->(43,13)->(43,14)->(43,15)->(43,16)->(43,17)->(43,18)->(42,18)->(42,19)->(42,20)->(42,21)->(42,22)->(42,23)->(42,24)->(42,25)->(41,25)->(41,26)->(41,27)->(40,27)->(39,27)->(39,26)->(38,26)->(37,26)->(36,26)->(35,26)->(34,26)->(33,26)->(33,26)->(33,27)->(32,27)->(31,27)->(31,28)->(31,29)->(30,29)->(30,30)->(29,30)->(28,30)->(27,30)->(26,30)->(25,30)->(24,30)->(23,30)->(22,30)->(21,30)->(20,30)->(19,30)->(18,30)->(17,30)->(16,30)->(15,30)->(15,29)->(15,28)->(15,27)->(15,26)->(15,25)->
