C21221212121211331322132313132313132313232233132313223313231323123232131
>>
C2122121212121133132213231313231313231323223313231322331323132312323213
<<
C21221212121211331322132313132313132313232233132313223313231323123232133
>>
C21221212121211331322132313132313132313232233132313223313231323123232132
>>