This has got to be one of the most colourful and “pretty” packing puzzles around. The YACP was Rik van Grol’s IPP37 Exchange Puzzle in Paris last year. With a name like that, I can Read More
This has got to be one of the most colourful and “pretty” packing puzzles around. The YACP was Rik van Grol’s IPP37 Exchange Puzzle in Paris last year. With a name like that, I can Read More