C123132112322333121111113121111331333133313231333133311223323211223313223311   >>    C12313211232233312111111312111133133313331323133313331122332321122331322331   <<    C123132112322333121111113121111331333133313231333133311223323211223313223313   >>      C123132112322333121111113121111331333133313231333133311223323211223313223312   >>