C212212121212113313132333131311331323331323132233131133132313133112121
>>
C21221212121211331313233313131133132333132313223313113313231313311212
<<
C212212121212113313132333131311331323331323132233131133132313133112123
>>
C212212121212113313132333131311331323331323132233131133132313133112122
>>