C313131323331311331322331322331311211331323132333132313231323132231   >>    C31313132333131133132233132233131121133132313233313231323132313223   <<    C313131323331311331322331322331311211331323132333132313231323132233   >>      C313131323331311331322331322331311211331323132333132313231323132232   >>