Logic puzzle

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181	PDF Document Add to Reading List Source URL: scisun.sci.ccny.cuny.edu Language: English - Date: 2006-12-30 13:28:05 Logic puzzles Recreational mathematics Leisure Cross-figure Crossword Cryptic crossword Puzzle Fifteen puzzle Kakuro Mathematics Games NP-complete problems
182	PDF Document Add to Reading List Source URL: mtl.uta.fi Language: English Logic Kakuro Puzzle Mechanical puzzle Crossword Logic puzzles Survo Puzzle Mathematics
183	PDF Document Add to Reading List Source URL: highschool.lebanon.k12.or.us - Date: 2006-03-03 12:32:40 Recreational mathematics Logic puzzles Sudoku David J. Bodycombe Gordon Royle Mathematics Games Puzzle video games