S c2

S c2S c2S c2S c2S c2S c2
S c2S c2S c2S c2S c2S c2
S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2S c2