C111123313121111121111331333133313331323232133313331333133313113212312111   >>    C11112331312111112111133133313331333132323213331333133313331311321231211   <<    C111123313121111121111331333133313331323232133313331333133313113212312113   >>      C111123313121111121111331333133313331323232133313331333133313113212312112   >>