The First Solutions
Chessboard size 24×24
1, 3, 5, 2, 4, 9, 11, 14, 18, 22, 19, 23, 20, 24, 10, 21, 6, 8, 12, 16, 13, 7, 17, 15
1, 3, 5, 2, 4, 9, 11, 14, 18, 22, 19, 23, 20, 24, 10, 21, 6, 8, 12, 16, 13, 7, 17, 15