Sudoku Variations
Ed Pegg Jr., September 6, 2005 (updated Sep 15)
In the May 1979 issue of Dell Pencil Puzzles & Word Games (issue #16), page 6,something amazing appeared: Number Place. Here are the original instructions: "In this puzzle, your job is to place a number into every empty box so that each row across, eachcolumn down, and each small 9-box square within the large square (there are 9 of these)will contain each number from 1 through 9. Remember that no number may appear morethan once in any row across, any column down, or within any small 9-box square; thiswill help you solve the puzzle. The numbers in circles below the diagram will give you ahead start--each of these four numbers goes into one of the circle boxes in the diagram(not necessarily in the order given)
Figure 1. The first Number Place puzzles. (Dell Pencil Puzzles & Word Games#16, page6, 1979-05
)Who made this puzzle? In addition to being the crossword editor of the New York Times, Will Shortz is a puzzle historian, so he did detective work to find the answer. He knewthat "Number Place" puzzles had appeared in Dell Magazines, and went through hiscollection to find the first. Dell listed no author, but the name Howard Garns always
ليست هناك تعليقات:
إرسال تعليق