The First Solutions
Chessboard size 44×44
1, 3, 5, 2, 4, 9, 11, 13, 15, 6, 8, 19, 7, 22, 24, 32, 35, 38, 41, 33, 42, 37, 34, 43, 39, 36, 44, 40, 21, 25, 18, 14, 12, 20, 16, 29, 10, 23, 27, 30, 17, 31, 26, 28
1, 3, 5, 2, 4, 9, 11, 13, 15, 6, 8, 19, 7, 22, 24, 32, 35, 38, 41, 33, 42, 37, 34, 43, 39, 36, 44, 40, 21, 25, 18, 14, 12, 20, 16, 29, 10, 23, 27, 30, 17, 31, 26, 28