C1111133313331323223313331333133313331333131133133313331122223231   >>    C111113331333132322331333133313331333133313113313331333112222323   <<    C1111133313331323223313331333133313331333131133133313331122223233   >>      C1111133313331323223313331333133313331333131133133313331122223232   >>