The Jumbo Book of 16x16 Sudoku — Intermediate to Hard: 200 Huge Puzzles — 5 Levels: Genius, Puzzle: 9798750468348: Amazon.com: Books
200 Kakuro and 200 Hitori sudoku. Hard - very hard version: 16x16+17x17+19x19+20x20 Kakuro Sudoku and 16x16+17x17+19x19+20x20 Hitori sudoku puzzles. ... in top shape. (Kakuro and Hitori puzzles): Holmes, Basford: 9781798028025: Amazon.com: Books
2020 16X16 Medium Sudoku Puzzle Book For Adults: 366 Medium Sudoku Puzzles for Every Day of the Year (2020 16 X 16 Medium Sudoku Puzzle Books For Adults): Woodyear, Andrew: 9781697220841: Amazon.com: Books
SUDOKU 16X16: Easy Medium and Hard Levels for All Volume 1: Varsha, Arora: 9798647253392: Amazon.com: Books
Jumbo Sudoku Variants Puzzle Books: 750 Puzzles of Sudoku X,Hyper,Twins,Triathlon A,Triathlon B,Marathon,Samurai,12x12 and 16x16: Puzzre, N.T.Loekman: 9798655314696: Amazon.com: Books
16x16 Diagonal Sudoku X: Hard Mega-Sudoku X Puzzles: SomatoMint: 9798646509674: Amazon.com: Books
Sudoku Xtra 20: The Logic Puzzle Brain Workout: Moore, Dr Gareth: 9781478348375: Amazon.com: Books
16X16 Sudoku Puzzle Book - Easy Medium Hard: 16 Grid Sudoku Puzzles from easy to hard. Total 150 puzzles, One 16 X 16 Sudoku on a page. These 16 Box ... good
Sudoku 16x16 Hard: Sudoku 16 x 16 Puzzle Book With 100 Hard Sudoku Puzzles For Adults Vol. 1: Rosenbladt: 9798646148057: Amazon.com: Books
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Hardest Sudoku 16x16 Puzzle Book: 100 Very Hard Sudoku Puzzles.: Publishing, SMW: 9781082182242: Amazon.com: Books
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16x16 Super Sudoku: Hard 16x16 Full-page Number Sudoku, Vol. 1 (Hard 16x16 Number Sudoku): Schreier, Thomas: 9781545087275: Amazon.com: Books
Sudoku 16x16 - 106 Blank Grids: 1 grid per page; 8.5" x 11"; 216 x 279 mm; White Paper; Page Numbers; Number Place; Su Doku; Nanpure; 16 x 16 Puzzle Template Boards:
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Mega Sudoku 16x16 - Hard - Volume 32 - 276 Puzzles: Snels, Nick: 9781502532138: Amazon.com: Books
Big Book of Sudoku: Over 500 Puzzles & Solutions, Easy to Hard Puzzles for Adults: Parragon Books, Parragon Books: 9781680524758: Amazon.com: Books
Mega Sudoku 16x16 Large Print - Medium - Volume 58 - 276 Logic Puzzles: Snels, Nick: 9781505649574: Amazon.com: Books
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