C1111121111331311211331333133313331313331323223313332112323132311   >>    C111112111133131121133133313331333131333132322331333211232313231   <<    C1111121111331311211331333133313331313331323223313332112323132313   >>      C1111121111331311211331333133313331313331323223313332112323132312   >>