C21221212121211331322132313132313132313232233132311132313113311
>>
C2122121212121133132213231313231313231323223313231113231311331
<<
C21221212121211331322132313132313132313232233132311132313113313
>>
C21221212121211331322132313132313132313232233132311132313113312
>>