C22121232133313231322331322331313231313231323132313113313231333133313132212121
>>
C2212123213331323132233132233131323131323132313231311331323133313331313221212
<<
C22121232133313231322331322331313231313231323132313113313231333133313132212123
>>
C22121232133313231322331322331313231313231323132313113313231333133313132212122
>>