C1111133313331323223313331333133313231323132312111133131131311331   >>    C111113331333132322331333133313331323132313231211113313113131133   <<    C1111133313331323223313331333133313231323132312111133131131311333   >>      C1111133313331323223313331333133313231323132312111133131131311332   >>