3.--_The Miller's Puzzle._

[Illustration]

The Miller next took the company aside and showed them nine sacks of

flour that were standing as depicted in the sketch. "Now, hearken, all

and some," said he, "while that I do set ye the riddle of the nine sacks

of flour. And mark ye, my lords and masters, that there be single sacks

on the outside, pairs next unto them, and three together in the middle

thereof. By Saint Benedict, it doth so happen that if we do but multiply

the pair, 28, by the single one, 7, the answer is 196, which is of a

truth the number shown by the sacks in the middle. Yet it be not true

that the other pair, 34, when so multiplied by its neighbour, 5, will

also make 196. Wherefore I do beg you, gentle sirs, so to place anew the

nine sacks with as little trouble as possible that each pair when thus

multiplied by its single neighbour shall make the number in the middle."

As the Miller has stipulated in effect that as few bags as possible shall

be moved, there is only one answer to this puzzle, which everybody should

be able to solve.

The Canterbury Puzzles, and Other Curious Problems · 第 27 / 286 题