Synopses & Reviews
Endless fun for devoted solvers! At 21 feet, 9 andfrac34; inches long, and with 8,929 empty squares to fill, this huge puzzle adds big excitement to the popular gameandmdash;and is the perfect challenge for fans who find regular sudoku too easy. Itandrsquo;s composed of 167 regular-sized (9x9) puzzles, linked together at 3x3 corners. Each individual sudokuandrsquo;s starting numbers are symmetrically placed in the puzzle, and no more than 30 numbers are given. Also, each 9x9 puzzle has a unique solution. And, finally, the difficulty level increases as you progress from left to right, becoming quite formidable by the end.
Synopsis
It's the “easiest” level—but easy is relative! Not only do the lists here include all kinds of unusual words and phrases, but sometimes they use lots of the same letters, too. And that makes it far harder to find what you're searching for.
Synopsis
Feng shui is the ancient Chinese art of harmonious placement—and these puzzles, with their visual appeal, apply that idea to sudoku. Each handcrafted page features four sudoku, placed so that the position of the clues forms an attractive overall pattern with variety and contrast. The collection contains more than 30 patterns and every form of possible symmetry. Wishing you peaceful and harmonious solving!
About the Author
Dr. Frank Rubin is a retired IBM computer programmer who has done extensive work in the field of Design Automation. In the programming field, he is best known for his notorious 1987 paper debunking so-called "structured programming," in which he proved that programs can actually be simplified and improved by using GoTo statements. Dr. Rubin is also a cryptographer who holds major patents in the field of keyless cryptography. He has also constructed thousands of mathematical puzzles, as well as cryptograms, alphametics, SumSum, Double Sudoku, and papers on knight and bishop coverings in chess. This is his second Sterling book, after Donut Sudoku.