print solve( holes => 33, empty => 17, towin => 17, valid => [ [1, 2, 3], [1, 4, 9], [2, 5, 10], [3, 6, 11], [4, 5, 6], [4, 9, 16], [5, 10, 17], [6, 11, 18], [7, 8, 9], [7, 14, 21], [8, 9, 10], [8, 15, 22], [9, 10, 11], [9, 16, 23], [10, 11, 12], [10, 17, 24], [11, 12, 13], [11, 18, 25], [12, 19, 26], [13, 20, 27], [14, 15, 16], [15, 16, 17], [16, 17, 18], [16, 23, 28], [17, 18, 19], [17, 24, 29], [18, 19, 20], [18, 25, 30], [21, 22, 23], [22, 23, 24], [23, 24, 25], [23, 28, 21], [24, 25, 26], [24, 29, 32], [25, 26, 27], [25, 30, 33], [28, 29, 30], [31, 32, 33], ], );