C212212121212113313132333131313231323133313231133132333132322121
>>
C21221212121211331313233313131323132313331323113313233313232212
<<
C212212121212113313132333131313231323133313231133132333132322123
>>
C212212121212113313132333131313231323133313231133132333132322122
>>