Objective values of the optima, obtained by branch and bound

ran10x10a   1499
ran10x10b   3073
ran10x10a  13007
ran4x64     9711	  
ran6x43     6330
ran8x32     5247
ran10x26    4270
ran12x21    3664
ran14x18    3712  *
ran16x16    3823
ran10x12    2714
ran12x12    2291
ran13x13    3252
ran17x17    1373

(* = best known solution)