YOUNGEST TO SOLVE 4 X 4 SUDOKU PUZZLES

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The record for solving 4 X 4 sudoku puzzles was set by Inaya (born on February 5, 2017) of Sirsa, Haryana. She solved two puzzles of 4 X 4 sudoku in 4 minutes and 32 seconds, at the age of 3 years and 11 months, as confirmed on January 15, 2021.