C212212121212113313221323131323132313132322331323132233131111131
>>
C21221212121211331322132313132313231313232233132313223313111113
<<
C212212121212113313221323131323132313132322331323132233131111133
>>
C212212121212113313221323131323132313132322331323132233131111132
>>