C2122121212121133131323331313113313233313231322331323132313232212231   >>    C212212121212113313132333131311331323331323132233132313231323221223   <<    C2122121212121133131323331313113313233313231322331323132313232212233   >>      C2122121212121133131323331313113313233313231322331323132313232212232   >>