C111123313121111121111331333133313331323232133313331311211331311211111   >>    C11112331312111112111133133313331333132323213331333131121133131121111   <<    C111123313121111121111331333133313331323232133313331311211331311211113   >>      C111123313121111121111331333133313331323232133313331311211331311211112   >>