C21221212121211331313233313131133132333132313223313113313231333123121
>>
C2122121212121133131323331313113313233313231322331311331323133312312
<<
C21221212121211331313233313131133132333132313223313113313231333123123
>>
C21221212121211331313233313131133132333132313223313113313231333123122
>>