C31232233133313221211113313331333133313331212331311211211
  >>
   C3123223313331322121111331333133313331333121233131121121
  <<
   C31232233133313221211113313331333133313331212331311211213
  >>
 
 
 C31232233133313221211113313331333133313331212331311211212
  >>