Ball, W. W. Rouse (Walter William Rouse), 1850-1925 · London, Macmillan and Co., limited · leaf 141
imultaneously on the board so that no queen can be taken by any other queen of the same colour. On a board of 62 cells there is 1 fundamental solution: namely, (246135). The four solutions are superposable. The puzzle for this case is sold in the streets of London for a penny, a small wooden board… … On a board of 72 cells there are 6 fundamental solutions : namely, 1357246, 3572461, (5724613), 4613572, 3162574, (2574136). It may be noted that the solution 1357246 gives by cyclic permutations seven superposable arrangements. On a board of 82 cells there are 12 fundamental solutions : namely,…
Geometry · Astrology · Space and time · Matter · Magic squares · Mathematical recreations
Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931). Free to use for anything.
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