C212212121212113313132333131311331323331323132233131133132313223313232111
>>
C21221212121211331313233313131133132333132313223313113313231322331323211
<<
C212212121212113313132333131311331323331323132233131133132313223313232113
>>
C212212121212113313132333131311331323331323132233131133132313223313232112
>>