C313131323331311331322331322331311211331323132333132313331322331   >>    C31313132333131133132233132233131121133132313233313231333132233   <<    C313131323331311331322331322331311211331323132333132313331322333   >>      C313131323331311331322331322331311211331323132333132313331322332   >>