C21221212121211331313233313131133132333132313223313231313111111
>>
C2122121212121133131323331313113313233313231322331323131311111
<<
C21221212121211331313233313131133132333132313223313231313111113
>>
C21221212121211331313233313131133132333132313223313231313111112
>>