article_snippet: This time Kevin Hays has no problem completing the puzzle.
article_snippet: Last year Kevin Hays completed three puzzles - a 2x2, a 3x3 and a 4x4 - in one minute.
article_snippet: Kevin Hays started puzzle solving as a high school freshman and, at one point, trained up to three hours a day.
article_snippet: Kevin Hays started puzzle solving at high school  and, at one point, trained three hours a day .
article_snippet: Well-earned: Now in Kevin Hays final year of a math and computer science degree at Washington University in St. Louis, Missouri, Kevin Hays plans on taking a break from speed-solving after the summer .
article_snippet: Now in his final year of a math and computer science degree at Washington University in St. Louis, MissouriWashington University St. LouisMissouri, Kevin Hays plans on taking a break from speed-solving after the summer.