S 1 1 x 2 2

S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2
S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2
S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2S 1 1 x 2 2