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S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2. S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2
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S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2. S1 s2 r2
S1 s2 r2
S1 s2 r2
S1 s2 r2. S1 s2 r2
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S1 s2 r2
S1 s2 r2