C221212321333132313223313223313132313132313231323131133132313212121
>>
C22121232133313231322331322331313231313231323132313113313231321212
<<
C221212321333132313223313223313132313132313231323131133132313212123
>>
C221212321333132313223313223313132313132313231323131133132313212122
>>