C313131323331311331322331322331311211331323132311113313231333132313232233131231   >>    C31313132333131133132233132233131121133132313231111331323133313231323223313123   <<    C313131323331311331322331322331311211331323132311113313231333132313232233131233   >>      C313131323331311331322331322331311211331323132311113313231333132313232233131232   >>