C312312111111331312111133133313331322331333133313121111331322123233311
>>
C31231211111133131211113313331333132233133313331312111133132212323331
<<
C312312111111331312111133133313331322331333133313121111331322123233313
>>
C312312111111331312111133133313331322331333133313121111331322123233312
>>