Enter a sudoku puzzle string below (see the Thonky.com sudoku page for an example of a puzzle
string in the text area below the puzzle), then click the Count Solutions
button to find out if the puzzle has a unique solution, multiple solutions,
or no solutions (i.e. an invalid puzzle).
All valid solutions will be listed.
Number of solutions: 1
Solved in 0.00091981887817383 seconds
Original puzzle: .1..6.7.93.........9.......7....84...4.1.....9...4.137.7..869..6..5..2...2.4.7.61
Solution:
412863759387954612596721384761398425243175896958642137175286943634519278829437561