C212212121212113313132333131311331323331323132233132313231323211121
>>
C21221212121211331313233313131133132333132313223313231323132321112
<<
C212212121212113313132333131311331323331323132233132313231323211123
>>
C212212121212113313132333131311331323331323132233132313231323211122
>>