by Peter Crook
Ferronor Chile GL26C-2 puzzle, based on an original photo by Peter Crook (photo copyright Peter Crook -- used with permission). Photographed at San Pedro, Chile, November 19, 2013.
The "Easy" version of the puzzle has about 100 pieces, "Medium" has about 200 pieces, "Hard" is about 300 pieces. For the Online puzzles, see the Online Puzzle Tips.