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There are 15 tiles and a gap, giving a maximum of 16! arrangements. However, the middle tiles of each four-tile chain are identical, and each position is equivalent to seven other positions obtained by rotating the entire puzzle (about its axis or upside-down), reducing the number of arrangements to
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The puzzle has four sides, each depicting a chain of a different color. Each side contains four tiles, except one which contains three tiles and a gap. The top and bottom rows can be rotated, and tiles can slide up or down into the gap. The objective is to scramble the tiles and then restore them to
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in their "Top 100 Games of 1981", expecting it to be "the torture of the season" but instead found it was "solvable by ordinary human beings and will not provoke a rash of how-to books".
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16! / 8 / 8 = 326,918,592,000. If the three long chains are also considered interchangeable, then the number of arrangements is further reduced to 16! / 8 / 8 / 6 = 54,486,432,000.
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The two middle rows cannot be rotated. To move tiles in these rows, you need to loop the tiles from one row to another, up and down.
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invented in 1981 by Steven P. Hanson and
Jeffrey D. Breslow.
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46:. Unsourced material may be challenged and removed.
201:. No. 26. November–December 1981. p. 51.
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106:Learn how and when to remove this message
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947:1982 World Rubik's Cube Championship
44:adding citations to reliable sources
941:The Simple Solution to Rubik's Cube
14:
312:Rubik's family cubes of all sizes
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926:Rubik's Cube in popular culture
31:needs additional citations for
137:their original configuration.
1:
978:. You can help Knowledge by
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889:Thistlethwaite's algorithm
55:"Missing Link" puzzle
195:"Top 100 Games of 1981".
332:5×5×5 (Professor's Cube)
932:Rubik, the Amazing Cube
327:4×4×4 (Rubik's Revenge)
974:-related article is a
910:World Cube Association
785:Anthony Michael Brooks
745:Krishnam Raju Gadiraju
123:
903:Official organization
557:Truncated icosahedron
121:
322:3×3×3 (Rubik's Cube)
216:Picture and solution
40:improve this article
1040:Combination puzzles
597:Virtual combination
429:combination puzzles
391:combination puzzles
317:2×2×2 (Pocket Cube)
171:Combination puzzles
122:Missing Link puzzle
1045:Mechanical puzzles
1030:1981 introductions
894:Rubik's Cube group
740:Prithveesh K. Bhat
664:Rubik's Revolution
539:Great dodecahedron
291:Oskar van Deventer
176:Mechanical puzzles
157:magazine included
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356:Variations of the
286:Panagiotis Verdes
131:mechanical puzzle
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919:Related articles
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770:David Singmaster
730:Shotaro Makisumi
705:Jessica Fridrich
683:Renowned solvers
599:puzzles (>3D)
547:Alexander's Star
501:Pyraminx Crystal
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375:Nine-Colour Cube
347:8×8×8 (V-Cube 8)
342:7×7×7 (V-Cube 7)
337:6×6×6 (V-Cube 6)
259:Puzzle inventors
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849:Layer by Layer
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57: –
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51:Find sources:
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29:This article
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18:
17:
980:expanding it
969:
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930:
826:Speedsolving
800:Collin Burns
755:Frank Morris
720:Rowe Hessler
637:Missing Link
636:
488:Dodecahedron
450:Pyraminx Duo
358:Rubik's Cube
252:Rubik's Cube
196:
190:
159:Inner Circle
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127:Missing Link
126:
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96:January 2023
93:
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69:
62:
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38:Please help
33:verification
30:
872:Mathematics
854:CFOP method
833:Speedcubing
810:Mátyás Kuti
765:Gilles Roux
760:Lars Petrus
690:Yu Nakajima
642:Rubik's 360
630:Derivatives
616:MagicCube7D
611:MagicCube5D
606:MagicCube4D
524:Impossiball
516:Icosahedron
455:Pyramorphix
437:Tetrahedron
389:Other cubic
380:Sudoku Cube
281:Tony Fisher
276:Uwe Mèffert
1035:1981 works
1025:1980s toys
1019:Categories
715:Kevin Hays
470:Octahedron
460:BrainTwist
266:Ernő Rubik
182:References
66:newspapers
1050:Toy stubs
884:Superflip
819:Solutions
790:Mats Valk
750:Tyson Mao
427:Non-cubic
418:Gear Cube
408:Dino Cube
370:Bump Cube
365:Void Cube
148:Reception
805:Max Park
735:Toby Mao
725:Leyan Lo
565:Tuttminx
496:Megaminx
445:Pyraminx
413:Square 1
307:Overview
165:See also
859:Optimal
842:Methods
585:(2x3x3)
80:scholar
575:Cuboid
82:
75:
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61:
53:
970:This
529:Dogic
403:Skewb
198:Games
154:Games
129:is a
87:JSTOR
73:books
976:stub
59:news
972:toy
42:by
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103:(
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94:(
84:·
77:·
70:·
63:·
36:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
