C313131323331311331322331322331311211331323132311113313232223331   >>    C31313132333131133132233132233131121133132313231111331323222333   <<    C313131323331311331322331322331311211331323132311113313232223333   >>      C313131323331311331322331322331311211331323132311113313232223332   >>