C212212121212113313132322331313331331122123231323132313132322331
>>
C21221212121211331313232233131333133112212323132313231313232233
<<
C212212121212113313132322331313331331122123231323132313132322333
>>
C212212121212113313132322331313331331122123231323132313132322332
>>