C111123313121111121111331333133313331323232133313331322331312111   >>    C11112331312111112111133133313331333132323213331333132233131211   <<    C111123313121111121111331333133313331323232133313331322331312113   >>      C111123313121111121111331333133313331323232133313331322331312112   >>