C1111133313331323223313331333133313311211111211331333133313332213331312231   >>    C111113331333132322331333133313331331121111121133133313331333221333131223   <<    C1111133313331323223313331333133313311211111211331333133313332213331312233   >>      C1111133313331323223313331333133313311211111211331333133313332213331312232   >>