Timeline for What is the fewest number of clues on a rotationally symmetrical sudoku grid with a unique solution?
Current License: CC BY-SA 3.0
4 events
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| Jul 11, 2019 at 5:19 | comment | added | agc |
@WaKai, At first blush that seems interesting, but the specific digits are arbitrary, that is, if we changed the two 1s to 3s, and the four 3s to 1s, it would still work, without being the first 18 digits of PI.
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| Sep 14, 2015 at 15:26 | comment | added | Wa Kai |
I am totally bluffed, because these numbers are as well the first 18 digits of PI
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| Sep 13, 2015 at 10:11 | history | edited | Rohcana | CC BY-SA 3.0 |
Added sudoku sormatting
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| May 16, 2014 at 16:17 | history | answered | user88 | CC BY-SA 3.0 |