C212212121212113313132333131311331323331323132233132311331323132323311   >>    C21221212121211331313233313131133132333132313223313231133132313232331   <<    C212212121212113313132333131311331323331323132233132311331323132323313   >>      C212212121212113313132333131311331323331323132233132311331323132323312   >>