C212212121212113313132333131311331323331323132233131133132313223313131131   >>    C21221212121211331313233313131133132333132313223313113313231322331313113   <<    C212212121212113313132333131311331323331323132233131133132313223313131133   >>      C212212121212113313132333131311331323331323132233131133132313223313131132   >>