C11112331312111112111133133313331333133313331333133313331333131121331123231   >>    C1111233131211111211113313331333133313331333133313331333133313112133112323   <<    C11112331312111112111133133313331333133313331333133313331333131121331123233   >>      C11112331312111112111133133313331333133313331333133313331333131121331123232   >>