  0   0   9 -49  48
 49   0   0   0  -1
  6  12   7   7  15
  6   7  18  -1   6
 21   8   8  24   6
  8  27   3   7  36
  4  -1  33   0   0
 -1   3   8  42   0
  0  30   5  -1  45
  0   0  -1
