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Weird Calculator (January 2022, Games) Blockheads (April 2021, Games) Number Bushes (February 2019, Mensa Bulletin) Block Sums (December 2017, Games) Everything In Order (February 2016, Games) Bottom Line (July 2013, Games) Weird Calculator (September 2012, Games) Number Maze (March 2012, Games) Roman Removal (December 2011, Games) Frameworks (October 2011, Games) Middle Sum (September 2011, World of Puzzles) Figuring Out 2011 (August 2011, Games) C-Note (July 2011, World of Puzzles)
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C-Note (March 2011, Games)
Pearl (March 2011, World of Puzzles) Two Digit (November 2010, Games) Number Crosswords (September 2010, World of Puzzles) Weird Calculator (August 2010, Games) Cross-Math (July 2010, Brain Games) Number Pyramid (May 2010, Games) Shape Sums (February 2010, Games) C-Note (November 2009, Games) Cross-Math (January 2008, Brain Games) Add Ventures (August 2000, Games)
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