C1111121111331311211331333133313331311312111133133313331313331333133313232231   >>    C111112111133131121133133313331333131131211113313331333131333133313331323223   <<    C1111121111331311211331333133313331311312111133133313331313331333133313232233   >>      C1111121111331311211331333133313331311312111133133313331313331333133313232232   >>