amountOfQueens = 4;
board = array2d(1..5, 1..5, [1, 0, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 0, 0, 1, 0, 0, 2, 0, 0, 0, 2, 0, 2, 0]);
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