C31232233133313221211113313331333133313311211111323223313331333221211
  >>
   C3123223313331322121111331333133313331331121111132322331333133322121
  <<
   C31232233133313221211113313331333133313311211111323223313331333221213
  >>
 
 
 C31232233133313221211113313331333133313311211111323223313331333221212
  >>