C123132112322333121111113121111331333133313231333133332322333233132213311223321   >>    C12313211232233312111111312111133133313331323133313333232233323313221331122332   <<    C123132112322333121111113121111331333133313231333133332322333233132213311223323   >>      C123132112322333121111113121111331333133313231333133332322333233132213311223322   >>