C21221212121211331322132313132313231313232233132313223313231331123232131
>>
C2122121212121133132213231313231323131323223313231322331323133112323213
<<
C21221212121211331322132313132313231313232233132313223313231331123232133
>>
C21221212121211331322132313132313231313232233132313223313231331123232132
>>