r2 vs r1
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뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁뷁
1