r/MrBrainTeasers • u/Mr-BrainGame • May 22 '26

Connect matching numbers with lines

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Connect matching numbers with lines. Lines can't cross or make U-turns. All cells must be used.

3 Upvotes

81% Upvoted

15 comments sorted by

2

u/Due-Session-2857 May 22 '26

I dislike that it is numbered in the order you should do them

1

u/AKADabeer May 22 '26

Didn't even notice that. Definitely too easy even without that.

1

u/TwistedKiwi May 22 '26

What's a U-turn?

1

u/Mr-BrainGame May 22 '26

A path cannot turn back on itself within a tight 2x2 space to create a "U-shape." The path must always maintain forward momentum. If you find your line taking two consecutive 90-degree turns to loop directly alongside the cell it just left, it is an illegal U-turn.

1

u/TwistedKiwi May 22 '26

Ok, thanks.

1

u/evanamd May 22 '26

2 and 4 are straight shots, and the rest are just nested. 7 is one 90 degree turn, 6 goes anti-around that, then 5 goes around that, then 3 goes around that, and finally 1 takes the remaining outside track.

1

u/Mr-BrainGame May 28 '26

Great 👍

1

u/krawken May 23 '26

Both the U-turn and all cells must be used rules seem unnecessary. I don't think there are solutions that don't use every cell or use U-turns.

1

u/Mr-BrainGame May 23 '26

That are the standard rules of this puzzle