C313131323331311331322331322331311211331323331313331313231322331   >>    C31313132333131133132233132233131121133132333131333131323132233   <<    C313131323331311331322331322331311211331323331313331313231322333   >>      C313131323331311331322331322331311211331323331313331313231322332   >>