Showing posts with label Prev-Arrow-Cation. Show all posts
Showing posts with label Prev-Arrow-Cation. Show all posts
Friday, October 29, 2010
Friday, March 12, 2010
Thursday, February 25, 2010
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As a math lover and an amateur magician (owing in part to Martin Gardner's excellent writings), I can't help but ask a question abou...
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Shade in some cells black such that the black cells are all connected to each other through their edges, and no 2x2 cell area within the... -
You may see something new on the left side of this blog. If you aren't reading this post months after the fact, there should be three Ch...
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Here's an optimization puzzle. I was tempted to make a contest out of it, like the optimization contests Games Magazine has had in the p... -
In this Pearls of Wisdom puzzle, there are no clues inside the grid. Instead, you are to both draw a loop and place black pearls and whi... -
I am making this post from my iPhone! Isn't that great??
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In this Straight and Arrow puzzle, a number followed by a plus sign represents the total number of black cells in all four orthogonal di... -
In this Straight and Arrow puzzle, a number followed by a question mark represents how many black cells are in at least one of the four o... -
I apologize for not having a Monday Mutant prepared this week. Have this instead. Rules of Straight and Arrow -
chaotic_iak (who inspired me to write a puzzle at 4:00 AM when I should have been going back to sleep) told me that my previous puzzle ...