A. ROSS ECKLER was the first to answer all the unsolved posers in the November issue. He wrote:
Knuth's puzzles are based on mixup, premix, and simplex; the two-letter puzzles by Harold Jacobs are based on names of states and territories, Scrabble two-letter words, two-letter elements, and ANSI two-letter standard codes for countries. I solved the Nongram Christmas Card (HAPPY XMAS) without using the alphanumeric substitution: noting that E seemed to mark the space between letters, I noted that the letters were of the form SSNNS SSSN where 5 stands for right-left symmetry; also, the second letter of the first work is the same as the third letter of the second word.
I was especially intrigued by Ronnie Kon's article which lays …
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Publication information: Article title: Colloquy. Contributors: Not available. Magazine title: Word Ways. Volume: 43. Issue: 1 Publication date: February 2010. Page number: 14+. © 2009 Jeremiah Farrell. COPYRIGHT 2010 Gale Group.
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