Franklin SUDOKU SDU-320 User Manual page 14

Puzzle Solver
This unit is also a puzzle solver. You can create
your own puzzles and see if there are solutions.
You can also input a puzzle and then try and
solve it. For example, input a puzzle you see in
a newspaper or book, then solve it in your
device.
Validating a Puzzle
1. With no active puzzle, press SOLVE.
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