---
id: 5900f3fa1000cf542c50ff0d
challengeType: 5
title: 'Problem 142: Perfect Square Collection'
---
## Description
Find the smallest x + y + z with integers x > y > z > 0 such that x + y, x − y, x + z, x − z, y + z, y − z are all perfect squares.
## Instructions
## Tests
```yml
tests:
- text: euler142() should return 1006193.
testString: assert.strictEqual(euler142(), 1006193, 'euler142() should return 1006193.');
```
## Challenge Seed
```js
function euler142() {
// Good luck!
return true;
}
euler142();
```