Although after the partial burst (I think I stripped, but I'll do better to catch up), I went to bed super late, reading the 3rd volume integrals Peanuts, and saw that I a course, a true-up, well I had to get up early. Suddenly, around 16h, wallop of fatigue, so nap, wake up to 21h on the nerves not want to read, do not want to watch a movie, not actually want the information to be absorbed, but rather wanted to make a something creative. No more desire to continue writing my story, because out of shape, I only have to encode ...
I had a project in mind for some time to program a game teaser. A subject large enough to occupy me for the night, and small enough to not take me too long. That is the usual page.
In fact, the computer side of it was moderately interesting, but mathematically decide what permutations of the boxes were soluble not hurt me thinking. I give you the result: it is necessary that the permutation of the 16 boxes has a signature (+ / - 1) equal to (-1) ^ (i + j) where i and j are the coordinates of the empty formula which recalls just signed minors in the formula the inverse of a matrix function of matrix cotransposée. Sailing voilou.
One of these days I'll have updates the entire website, but hey, time is precious and boring task if I feel obliged to be careful and verify that the source code of each page is quite homogeneous .
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