lang_no_solutions = "This sudoku has no solutions.";
lang_more_solutions_than_max_1 = "This sudoku has more than ";
lang_more_solutions_than_max_2 = " solutions";
lang_mistyped = "This sudoku has no solutions. Check your inputs. Maybe you mistyped.";
lang_already_solved = "It's already solved.";
lang_wrong_sudoku = "You have written out all of the fields. What's more the sudoku you gave is wrong.";