C212212121212113313132333131311331323331323132233131133132313231322112111
>>
C21221212121211331313233313131133132333132313223313113313231323132211211
<<
C212212121212113313132333131311331323331323132233131133132313231322112113
>>
C212212121212113313132333131311331323331323132233131133132313231322112112
>>