C1111233133313231133133313331333133313231121333133313331323131133131223321   >>    C111123313331323113313331333133313331323112133313331333132313113313122332   <<    C1111233133313231133133313331333133313231121333133313331323131133131223323   >>      C1111233133313231133133313331333133313231121333133313331323131133131223322   >>