C21221212121211331322132313132313132313232233132313223313132333132313231322111
>>
C2122121212121133132213231313231313231323223313231322331313233313231323132211
<<
C21221212121211331322132313132313132313232233132313223313132333132313231322113
>>
C21221212121211331322132313132313132313232233132313223313132333132313231322112
>>