by James Stearn
RhB - Rhätische Bahn Ge4/4i puzzle, based on an original photo by James Stearn (photo copyright James Stearn -- used with permission). Photographed at Bever, Switzerland, August 10, 2020.
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.