C123132112322333121111113121111331333133313231333232323221123121   >>    C12313211232233312111111312111133133313331323133323232322112312   <<    C123132112322333121111113121111331333133313231333232323221123123   >>      C123132112322333121111113121111331333133313231333232323221123122   >>