C11112331312111112111133133313331333133313331333133313331333133322331313123231   >>    C1111233131211111211113313331333133313331333133313331333133313332233131312323   <<    C11112331312111112111133133313331333133313331333133313331333133322331313123233   >>      C11112331312111112111133133313331333133313331333133313331333133322331313123232   >>