C21221212121211331313233313131133132333132313223313232233131111211
>>
C2122121212121133131323331313113313233313231322331323223313111121
<<
C21221212121211331313233313131133132333132313223313232233131111213
>>
C21221212121211331313233313131133132333132313223313232233131111212
>>