YOUNGEST KID TO SOLVE 6 X 6 SUDOKU PUZZLE

The record for being the youngest kid to solve 6 x 6 Sudoku puzzles was set by Thaanya Vivekanandhan (born on February 11, 2015) of Middlesex, United Kingdom. She solved three Sudoku 6 x 6 puzzles in 5 minutes and 49 seconds. She also recited the capitals of 193 countries at the young age of 5 years, 6 months and 6 days, as confirmed on August 17, 2020.