C123132112322333121111113121111331333133313231333133323223312122212233323121   >>    C12313211232233312111111312111133133313331323133313332322331212221223332312   <<    C123132112322333121111113121111331333133313231333133323223312122212233323123   >>      C123132112322333121111113121111331333133313231333133323223312122212233323122   >>