Rang (<=60) ? N=48(full) 0 solutions found 39341 positions in 88835 cases checked average number of stones on board 44 Rang (<=60) ? N=50(full) 0 solutions found 69442 positions in 158422 cases checked average number of stones on board 45 Rang (<=60) ? N=52(full) 0 solutions found 120049 positions in 276049 cases checked average number of stones on board 47 Rang (<=60) ? N=54(full) 0 solutions found 207575 positions in 480117 cases checked average number of stones on board 49 Rang (<=60) ? N=56(full) 0 solutions found 367611 positions in 861894 cases checked average number of stones on board 51 real 2:37:42.9 user 2:37:10.8 sys 7.7 Rang (<=60) ? N=58(full) 0 solutions found 636952 positions in 1504213 cases checked average number of stones on board 53 real 4:46:03.1 user 4:43:29.6 sys 33.0 Rang (<=60) ? N=60(full) 0 solutions found 1140568 positions in 2707190 cases checked average number of stones on board 54 real 8:52:16.9 user 8:48:50.9 sys 38.1