C111112111133131121133133313331333133313331323133313331333133313111323222221   >>    C11111211113313112113313331333133313331333132313331333133313331311132322222   <<    C111112111133131121133133313331333133313331323133313331333133313111323222223   >>      C111112111133131121133133313331333133313331323133313331333133313111323222222   >>