C212212121212113313132333131313231323133313231133132313232212321
>>
C21221212121211331313233313131323132313331323113313231323221232
<<
C212212121212113313132333131313231323133313231133132313232212323
>>
C212212121212113313132333131313231323133313231133132313232212322
>>