--- id: 5900f3c11000cf542c50fed4 challengeType: 5 title: 'Problem 85: Counting rectangles' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler85(), 2772, "euler85() should return 2772.");' ``` ## Challenge Seed ```js function euler85() { // Good luck! return true; } euler85(); ``` ## Solution ```js // solution required ```
euler85()