C11112331312111112111133133313331333133313331333133313331333132212112123231   >>    C1111233131211111211113313331333133313331333133313331333133313221211212323   <<    C11112331312111112111133133313331333133313331333133313331333132212112123233   >>      C11112331312111112111133133313331333133313331333133313331333132212112123232   >>