C21221212121211331322132313132313231313232233132313223313231321111
>>
C2122121212121133132213231313231323131323223313231322331323132111
<<
C21221212121211331322132313132313231313232233132313223313231321113
>>
C21221212121211331322132313132313231313232233132313223313231321112
>>