C21221212121211331313233313131133132333132313223313232233131211111
>>
C2122121212121133131323331313113313233313231322331323223313121111
<<
C21221212121211331313233313131133132333132313223313232233131211113
>>
C21221212121211331313233313131133132333132313223313232233131211112
>>