C123132112322333121111113121111331333133313231333232323221221312331   >>    C12313211232233312111111312111133133313331323133323232322122131233   <<    C123132112322333121111113121111331333133313231333232323221221312333   >>      C123132112322333121111113121111331333133313231333232323221221312332   >>