C212212121212113313132333131311331323331323132233132322331323132313232231   >>    C21221212121211331313233313131133132333132313223313232233132313231323223   <<    C212212121212113313132333131311331323331323132233132322331323132313232233   >>      C212212121212113313132333131311331323331323132233132322331323132313232232   >>