C313131323331311331322331322331311211331323331313331323132321111   >>    C31313132333131133132233132233131121133132333131333132313232111   <<    C313131323331311331322331322331311211331323331313331323132321113   >>      C313131323331311331322331322331311211331323331313331323132321112   >>