C123132112322333121111113121111331333133313331322322331223112321211   >>    C12313211232233312111111312111133133313331333132232233122311232121   <<    C123132112322333121111113121111331333133313331322322331223112321213   >>      C123132112322333121111113121111331333133313331322322331223112321212   >>