Inclusive method: Line 1. Column 18. Letter D. The current solution is right.
Alphadoku, 25x25 sudoku puzzle: Enter a puzzle solution to solve and play online, with solution for a square.
You can have four possible answers: • One solution for a square and the current solution is right. • One solution for a square but however, the solution is wrong! • The solution is wrong! Impossible solution line:x, column:y. • Input Error with equal letters in row, colomn or area.