C111123313121111121111331333133313331323112113321233133313223111   >>    C11112331312111112111133133313331333132311211332123313331322311   <<    C111123313121111121111331333133313331323112113321233133313223113   >>      C111123313121111121111331333133313331323112113321233133313223112   >>