1 x 1 x 1 x 1 x 2 x 2 x 1 x 2 x 2 x 1 x 2 x 2 x 1 x 2 x 2 x 2 x 1 x 2 x 2 x 2 x 1 x 2 x 2 x 2 x 2 x 2 x 1 x 2 x 2 x 2 x 2 x 2 x 1 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 1 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 1 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 2 x 3 x 3 x 3 x 3 x 4 x 3 x 4 x 4 x 4 x 4 x 6 x 6 x 6 x 6 x 6 x 6 x 6 x 6 x 6 x
