No requirement for a pen or pencil, Sudoku is authoritatively on the web! Snap a number pursued by a vacant box to put it.
No requirement for a pen or pencil, Sudoku is authoritatively on the web! Snap a number pursued by a vacant box to put it. Fill the whole lattice 1-9 on each line, segment, and 3x3 square with no rehashing numbers to win. Are your Sudoku aptitudes sufficient?