C1111233133313231133133313331333133311221123121111331311331323132332133231   >>    C111123313331323113313331333133313331122112312111133131133132313233213323   <<    C1111233133313231133133313331333133311221123121111331311331323132332133233   >>      C1111233133313231133133313331333133311221123121111331311331323132332133232   >>