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Six-Piece Burrs
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Puzzle Name: Computer's Choice 4-Hole
Type: Six-Piece Burr
Number of Pieces: 6
Design By: Bill Cutler (1988)
Made By: Jerry McFarland
Material: Maple
Size: 3 inches
Availability: Available now
Price: $60
8 moves required to remove the first piece.

Of the 4,745,611,122 6-piece burrs with exactly 4 cubes missing from the interior, this was chosen as the most interesting. A computer analysis of all 'holey' 6-piece burrs was run from 1987-1990 by Bill Cutler with assistance from about 10 other people.

Six-Piece Burrs
previous: Computer's Choice 3-Hole next: Programmer's Nightmare
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