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kengr
Oct. 6th, 2018 05:43 am (UTC)
Thu, 18:21: 📷 eatsleepcrap: syd224: eatsleepcrap: wincherlockedintardis: even with those four numbers there are... https://t.co/7c03iYrBxO

The guy with the calculator over-thought it. The formula he used was for X items chosen Y at a time. Since X & Y are the same, it simplifies to X!

The possibilities are only 4! (4*3*2*1)

Simple way to get the same thing. You've got 4 choices for the first digit. That leaves 3 choices for the second digit. Which leaves 2 choices for the third digit and only 1 choice for the fourth digit.

And in most cases, don't bother kicking in the door. It's probably reinforced. So is the frame. But the *wall* next to it is probably plain old wallboard. Which is *easy* to kick thru.

Or, since the screw heads for the key panel are exposed, and the rivet head indicate that the circuit board is permanently attached to the facing, just unscrew the panel from the hole in the wall it's mounted in, gently pull it out a bit, and figure which of the 3-4 wires attached to it need to be shorted together.

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