C212212121212113313132333131313231323133313231133132313232322131
>>
C21221212121211331313233313131323132313331323113313231323232213
<<
C212212121212113313132333131313231323133313231133132313232322133
>>
C212212121212113313132333131313231323133313231133132313232322132
>>