C111123313121111121111331333133313331323231333133313331333231333132322333121   >>    C11112331312111112111133133313331333132323133313331333133323133313232233312   <<    C111123313121111121111331333133313331323231333133313331333231333132322333123   >>      C111123313121111121111331333133313331323231333133313331333231333132322333122   >>