interpretation of solutions: 1a = move card from column 1 to free
cell a; 15 = move card from column 1 to 5
#1941 (provided by L. Benfield, Pompano Beach, FL)
1a 15 3b 3c 3d 38 87 4h 5h 15 83 16 81 b1 73 7b 7h 71 73 71 87 21 5h 53 58 56 51 75 d7 47 65 c8 6c 68 48 6d