C123132112322333121111113121111331333133313331322322331221211123131   >>    C12313211232233312111111312111133133313331333132232233122121112313   <<    C123132112322333121111113121111331333133313331322322331221211123133   >>      C123132112322333121111113121111331333133313331322322331221211123132   >>