C111123313121111121111331333133313331323232133313133313232222331   >>    C11112331312111112111133133313331333132323213331313331323222233   <<    C111123313121111121111331333133313331323232133313133313232222333   >>      C111123313121111121111331333133313331323232133313133313232222332   >>