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S 4 and t 2

S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2
S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2
S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2S 4 and t 2