• IvanPeng2015
• commented on "Find The Parity Outlier" javascript solution

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• IvanPeng2015
• commented on "Going backwards: Number from every possible sum of two digits" kata

• IvanPeng2015
• commented on "Did I Finish my Sudoku?" javascript solution

const containNumber  = arr => [...new Set(arr)].length === 9

const containNumber = arr => arr.sort().join('') === '123456789'

• IvanPeng2015
• commented on "Valid Braces" javascript solution

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