C2122121212121133131323331313113313233313231322331323132322121323132311   >>    C212212121212113313132333131311331323331323132233132313232212132313231   <<    C2122121212121133131323331313113313233313231322331323132322121323132313   >>      C2122121212121133131323331313113313233313231322331323132322121323132312   >>