C1111133313331323223313331333133313113313112113121111332321333133313231322331   >>    C111113331333132322331333133313331311331311211312111133232133313331323132233   <<    C1111133313331323223313331333133313113313112113121111332321333133313231322333   >>      C1111133313331323223313331333133313113313112113121111332321333133313231322332   >>