C1111233133313231133133313331333133313231232313331333133313311233132331   >>    C111123313331323113313331333133313331323123231333133313331331123313233   <<    C1111233133313231133133313331333133313231232313331333133313311233132333   >>      C1111233133313231133133313331333133313231232313331333133313311233132332   >>