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20:54, 29 February 2020 (diff | hist) . . (+52)‎ . . Claude Berge's puzzles ‎ (Added Hayward as a reference for the puzzles. Note: van Rijswijck and Hayward have different versions of Puzzle 5.)
20:51, 29 February 2020 (diff | hist) . . (-421)‎ . . Claude Berge's puzzles ‎ (Corrected Berge's puzzle 4. This is the actual puzzle reproduced in both Van Rijswijck and Hayward)
20:26, 29 February 2020 (diff | hist) . . (+715)‎ . . Claude Berge's puzzles ‎ (→‎Puzzles: Added Berge's puzzles 3 and 5, as reproduced in Hayward "Berge and the Art of Hex")

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