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William Keister -The Hexadecimal Puzzle (1986)
designed by William Keister in 1972, produced by Binary Arts in 1986. the box is well-travelled, but the puzzle is pristine.
from Jaap Scherphuis' Puzzle Page:
The pattern of the four blocking keys may be changed (by temporarily removing the blocking pin that keeps them fixed), and each of the 16 patterns gives rise to a different puzzle. The easiest key pattern is 1111, because this allows you to switch all bars in order from left to right. This pattern comes in handy when you want to reset the puzzle. The hardest pattern is 1110, which needs 170 moves. This pattern gives a puzzle that is equivalent to Spinout (but with 8 switches).
♫:
—1. everything i have is in the photos.
—2. shipment is by USPS Priority Mail, insured for the full sale price and trackable.
—3. if the auction(s) in which you are the highest bidder have closed, and you are not bidding on other auctions, please let me know and i will organise the invoice. otherwise, shipping will be calculated after all of my listings are closed.
—4. payment is via PayPal only.
—5. all puzzles in my collection have been kept out of sunlight, in a humidity-stable room or sealed plastic container, away from pets unless they can solve them, and in a non-smoking household.
—6. the price for shipping+insurance will not exceed $30. if it costs more, i will pay the balance.
thank you for looking, and good luck if you bid.
:cameron: