--- id: 5900f4ae1000cf542c50ffc0 challengeType: 5 title: 'Problem 321: Swapping Counters' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler321(), 2470433131948040, "euler321() should return 2470433131948040.");' ``` ## Challenge Seed ```js function euler321() { // Good luck! return true; } euler321(); ``` ## Solution ```js // solution required ```
euler321()