C123132112322333121111113121111331333133313231333133323223211221313223311   >>    C12313211232233312111111312111133133313331323133313332322321122131322331   <<    C123132112322333121111113121111331333133313231333133323223211221313223313   >>      C123132112322333121111113121111331333133313231333133323223211221313223312   >>