Sudoku Checker

Version 1.3.3 has the following modifications to 1.3.2. ・ The recognition sensitivity of the Sudoku technique called XY-Wing is increased. ・ The recognition sensitivity of the Sudoku technique called XYZ-Wing is increased. ・ We are increasing the recognition sensitivity of the Sudoku technique called the Hidden Triple. ・ We are increasing the recognition sensitivity of the Sudoku technique called skyscraper. ・ The recognition sensitivity of the Sudoku technique called swordfish is increased. Version 1.3.2 fixes the following bugs in 1.3.1. -Sometimes I couldn't recognize the Sudoku technique called X-Wing. -The X-Wing level and the Hidden Triples level are displayed in the difficulty nest display dialog. Version 1.3.1 fixes the following bugs in 1.3.0. -Sometimes it freezes while entering numerical values. Version 1.3.x has revised the calculation logic of the difficulty level. Previously (up to Version 1.2.x), the difficulty level was high when the number of hints was small, or the difficulty level was less than 300 even though advanced techniques were required. Therefore, the calculation logic is revised. The basic functions are the same as before. You can also call the calculation result of the past calculation logics.