C21221212121211331313233313131133132333132313223313113313232223321
>>
C2122121212121133131323331313113313233313231322331311331323222332
<<
C21221212121211331313233313131133132333132313223313113313232223323
>>
C21221212121211331313233313131133132333132313223313113313232223322
>>