C1111121111331311211331333133313331313331323223313331323223313231322321231321   >>    C111112111133131121133133313331333131333132322331333132322331323132232123132   <<    C1111121111331311211331333133313331313331323223313331323223313231322321231323   >>      C1111121111331311211331333133313331313331323223313331323223313231322321231322   >>