C212212121212113313132333131311331323331323132233131133132313231232312111
>>
C21221212121211331313233313131133132333132313223313113313231323123231211
<<
C212212121212113313132333131311331323331323132233131133132313231232312113
>>
C212212121212113313132333131311331323331323132233131133132313231232312112
>>