C212212121212113313132333131311331323331323132233131133132313231133132231   >>    C21221212121211331313233313131133132333132313223313113313231323113313223   <<    C212212121212113313132333131311331323331323132233131133132313231133132233   >>      C212212121212113313132333131311331323331323132233131133132313231133132232   >>