30 local searches from random points in [-5, 5] x [-5, 5], 1000 steps each
minimum reached   searches  best value
(-0.090,  0.713)         2     -1.0316  global
( 0.090, -0.713)         8     -1.0316  global
(-1.704,  0.796)         6    -0.21546
( 1.704, -0.796)         7    -0.21546
(-1.607, -0.569)         3      2.1043
( 1.607,  0.569)         4      2.1043
