C313131323331311331322331322331311211331323331313331323132323311331   >>    C31313132333131133132233132233131121133132333131333132313232331133   <<    C313131323331311331322331322331311211331323331313331323132323311333   >>      C313131323331311331322331322331311211331323331313331323132323311332   >>