C1111233133313231133133313331333133313231232313331333133313122332133231   >>    C111123313331323113313331333133313331323123231333133313331312233213323   <<    C1111233133313231133133313331333133313231232313331333133313122332133233   >>      C1111233133313231133133313331333133313231232313331333133313122332133232   >>