C31232233133313221211113313331333132313331322121111121111113313311221212121
  >>
   C3123223313331322121111331333133313231333132212111112111111331331122121212
  <<
   C31232233133313221211113313331333132313331322121111121111113313311221212123
  >>
 
 
 C31232233133313221211113313331333132313331322121111121111113313311221212122
  >>