How to Solve Sum Grid Puzzles: Runs, Totals and Digit Sets
Learn the totals that allow only one set of digits, use crossing runs and the no-repeat rule, then follow a worked sum grid puzzle and try a practice grid.
Riddle10 blog
Riddle10 blog
Learn the totals that allow only one set of digits, use crossing runs and the no-repeat rule, then follow a worked sum grid puzzle and try a practice grid.