[184] Solving the intriguing seven pennies puzzle

In this video I have a go at solving the fun 7 pennies (or 7 coins) puzzle.
You can buy the puzzle from various locations online, such as:
www.puzzlemast...
#puzzle
#solving

[@NotKyleChicago]

I don't know if I have seen this before, but it seems a simple puzzle.

[@dtoad48]

This puzzle is super easy. Place and move your first "penny". Then you place and move to the spot you just started. Repeat to the new start spot working on the lines for reference. .

[@StarrysLostandFound]

Thanks for demoing the seven penny puzzle. 👍👊✨

[@mynameisworld]

Looks like the puzzle is just figuring out the instructions. "COAL: To place 7 pennies on thr circles."?

[@thevisionary2007]

Essentially, it is exactly the first thing you did, but with extra steps.

[@LockPickingCuber]

Yep. I got lucky... :-)

[@thenaylor]

I'm not sure you did that properly. It seemed far too simple.

[@LockPickingCuber]

I do think it's a pretty simple puzzle... I'm fairly sure my solution matched the rules, and I've done some internet digging since making my video and couldn't find anything to contradict it. But let me know if you find something that shows I've made a mistake!

[@vctrsigma]

Defintiely seems simple, but also the only pattern that works. Each penyy moves to pack into the slot "behind" the previous one.

[@Ent229]

​@@vctrsigma Each vertex is connected to 2 others. This forms a loop. You place your first coin. From there you can grow in either direction (each penny moves to pack into the slot "in front of" or "behind"). So after your initial move, there are still 7 possible outcomes. Does that count as more than one pattern?

[@Ent229]

As an example, number the slots 1-8 based on their connection loop. With 1 being adjacent to 2 and 8. Start with the move 4->5. Then do 3->4 and 7->6 to demonstrate growing from both ends. Continue with 2->3, 1->2, 8->7, and 1->8. Then start over and only grow from one end. 4->5, 3->4, 2->3, 1->2, 8->1, 7->8, 6->7. In both cases you placed 7 pennies but you ended with 1 open in the first case and 6 open in the second case.

[@Culpride]

@@Ent229 You could make the puzzle a tad more interesting if you added the rule: The last free space must end up in the same corner of the board next to your starting coin.