C21221212121211331313233313131133132333132313223313231322132313232221
>>
C2122121212121133131323331313113313233313231322331323132213231323222
<<
C21221212121211331313233313131133132333132313223313231322132313232223
>>
C21221212121211331313233313131133132333132313223313231322132313232222
>>