C21221212121211331313233313131133132333132313223313113313231323123221211
>>
C2122121212121133131323331313113313233313231322331311331323132312322121
<<
C21221212121211331313233313131133132333132313223313113313231323123221213
>>
C21221212121211331313233313131133132333132313223313113313231323123221212
>>