On the Number of \(6 \times 6\) Sudoku Grids

Sian K. Jones1, Stephanie Perkins1, Paul A. Roach1
1Faculty of Advanced Technology, University of Glamorgan Treforest, UK, CF37 1DL

Abstract

Partially filled \(6 \times 6\) Sudoku grids are categorized based on the arrangement of the values in the first three rows. This categorization is then employed to determine the number of \(6 \times 6\) Sudoku grids.