C212212121212113313132333131311331323331323132233131133132313231121132211
>>
C21221212121211331313233313131133132333132313223313113313231323112113221
<<
C212212121212113313132333131311331323331323132233131133132313231121132213
>>
C212212121212113313132333131311331323331323132233131133132313231121132212
>>