C1111121111331311211331333133313331313331323223313331311331323233313332321   >>    C111112111133131121133133313331333131333132322331333131133132323331333232   <<    C1111121111331311211331333133313331313331323223313331311331323233313332323   >>      C1111121111331311211331333133313331313331323223313331311331323233313332322   >>