C21221212121211331322132313132313231313232233132313223313231333133313231212331
>>
C2122121212121133132213231313231323131323223313231322331323133313331323121233
<<
C21221212121211331322132313132313231313232233132313223313231333133313231212333
>>
C21221212121211331322132313132313231313232233132313223313231333133313231212332
>>