C31232233133313221211113313331333132313331322121133212121
  >>
   C3123223313331322121111331333133313231333132212113321212
  <<
   C31232233133313221211113313331333132313331322121133212123
  >>
 
 
 C31232233133313221211113313331333132313331322121133212122
  >>