C111123313121111121111331333133313331333221311312111133232233121   >>    C11112331312111112111133133313331333133322131131211113323223312   <<    C111123313121111121111331333133313331333221311312111133232233123   >>      C111123313121111121111331333133313331333221311312111133232233122   >>