20 local searches from random points in [-5, 5] x [-5, 5], 3000 steps each
minimum                  searches  values reached
( 3.000000,  2.000000)         3  3.4e-10 to 7.4e-8
(-2.805118,  3.131313)         6  7.4e-10 to 2.1e-7
(-3.779310, -3.283186)         6  9.7e-9 to 2.0e-7
( 3.584428, -1.848127)         5  1.5e-8 to 1.5e-7
