C21221212121211331313233313131133132333132313223313113313231333132333132331211
>>
C2122121212121133131323331313113313233313231322331311331323133313233313233121
<<
C21221212121211331313233313131133132333132313223313113313231333132333132331213
>>
C21221212121211331313233313131133132333132313223313113313231333132333132331212
>>