C1111121111331311211331333133313331313331323223313331323223313122231   >>    C111112111133131121133133313331333131333132322331333132322331312223   <<    C1111121111331311211331333133313331313331323223313331323223313122233   >>      C1111121111331311211331333133313331313331323223313331323223313122232   >>