C123132112322333121111113121111331333133313331322322331223221231232311   >>    C12313211232233312111111312111133133313331333132232233122322123123231   <<    C123132112322333121111113121111331333133313331322322331223221231232313   >>      C123132112322333121111113121111331333133313331322322331223221231232312   >>