C111112111133131121133133313331333133313331332133313331333133313231312323221   >>    C11111211113313112113313331333133313331333133213331333133313331323131232322   <<    C111112111133131121133133313331333133313331332133313331333133313231312323223   >>      C111112111133131121133133313331333133313331332133313331333133313231312323222   >>