C123132112322333121111113121111331333133313331322322331222121332333211   >>    C12313211232233312111111312111133133313331333132232233122212133233321   <<    C123132112322333121111113121111331333133313331322322331222121332333213   >>      C123132112322333121111113121111331333133313331322322331222121332333212   >>