C123132112322333121111113121111331333133313231333232323221121233231331   >>    C12313211232233312111111312111133133313331323133323232322112123323133   <<    C123132112322333121111113121111331333133313231333232323221121233231333   >>      C123132112322333121111113121111331333133313231333232323221121233231332   >>