C1111121111331311211331333133313331323131133133313232133313113232321   >>    C111112111133131121133133313331333132313113313331323213331311323232   <<    C1111121111331311211331333133313331323131133133313232133313113232323   >>      C1111121111331311211331333133313331323131133133313232133313113232322   >>