C212212121212113313132333131311331323331323132233131232313232212111
>>
C21221212121211331313233313131133132333132313223313123231323221211
<<
C212212121212113313132333131311331323331323132233131232313232212113
>>
C212212121212113313132333131311331323331323132233131232313232212112
>>