13△s

Arrange numbers to balance the triangle.

Today's Date

Settings

Dark Theme

Play

Count moves Your share shows how many moves you took.

Timer Your share shows how long you took. Turn both off for Zen mode.

Encouragement A few words when you make progress.

Hints

Allow hints Turn off to play on your own. Your share says so.

Show target An area's total turns green when it reaches the number every area needs.

Ongoing hints Tips as you play, like when you’re one swap away.

Hint button A Hint button that turns one right number green.

Privacy

Send anonymous play stats Time, moves, shares, and which settings and hints you use, with no personal data, to help make better puzzles. Sent by this page: your screen size, whether it's on your home screen, and which kind of site sent you here (a search engine, say), never the address. Worked out by the server, the details not kept: your country, time zone, language, and kind of device and browser.

13△s

You did it! All areas match!

I solved 13△s in moves.
It took me .
https://13triangles.com

an older puzzle

Make your own puzzle

How To Play

Move numbers until the sum of numbers in each of the four areas are equal.

Areas

See which triangles are in which areas by clicking on the area buttons below the board.

↙️ ↘️ ➡️ ⏺️

13△s counts anonymous play stats (time, moves, shares, which settings and hints you use) to make better puzzles. The page also sends your screen size, whether it's on your home screen and which kind of site sent you here; the server works out your country, time zone, language and kind of device and browser. Never your name or IP address. You can turn this off in Settings.

13△s is a puzzle created by Eric J. Witherspoon