C212212121212113313132333131313231323133313231133132313232233121
>>
C21221212121211331313233313131323132313331323113313231323223312
<<
C212212121212113313132333131313231323133313231133132313232233123
>>
C212212121212113313132333131313231323133313231133132313232233122
>>