C123132112322333121111113121111331333133313221222231133131122233121   >>    C12313211232233312111111312111133133313331322122223113313112223312   <<    C123132112322333121111113121111331333133313221222231133131122233123   >>      C123132112322333121111113121111331333133313221222231133131122233122   >>