--- id: 5900f43a1000cf542c50ff4d challengeType: 5 title: 'Problem 206: Concealed Square' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler206(), 1389019170, "euler206() should return 1389019170.");' ``` ## Challenge Seed ```js function euler206() { // Good luck! return true; } euler206(); ``` ## Solution ```js // solution required ```
euler206()