C123132112322333121111113121111331333133313231333133311223323212312122233131   >>    C12313211232233312111111312111133133313331323133313331122332321231212223313   <<    C123132112322333121111113121111331333133313231333133311223323212312122233133   >>      C123132112322333121111113121111331333133313231333133311223323212312122233132   >>