C111123313121111121111331333133313331323232133313331333131312312111   >>    C11112331312111112111133133313331333132323213331333133313131231211   <<    C111123313121111121111331333133313331323232133313331333131312312113   >>      C111123313121111121111331333133313331323232133313331333131312312112   >>