C123132112322333121111113121111331333133313233213123132211312131   >>    C12313211232233312111111312111133133313331323321312313221131213   <<    C123132112322333121111113121111331333133313233213123132211312133   >>      C123132112322333121111113121111331333133313233213123132211312132   >>