真笑Puzzles022:Type Good A+ Sudoku 02
(Published on 1. February 2021, 01:25 by cdwg2000)
Type Good A+ Sudoku
1. Classic Sudoku rules applied;
2. All four digits containing 2 odd and even 2 are marked with numbers or symbols;
3. The number of hints is the biggest number and smallest number of the four digits.
4.The triangle means that the biggest and smallest numbers in the four digits are both odd numbers.The square indicates that the biggest and smallest numbers in the four digits are even numbers.
Author: 真笑(洪卫华), from China, this question comes from his personal blog.
Click enter Penpa+，The triangles are made into white.
This modified Sudoku type was designed by a group of puzzle creators from China, and various types have been continuously expanded. For more types, please pay attention to works published by bigger:
Type Good A+ Sudoku 01(Challenge)
Solution code: Row 2,Coloum 8.
Comments
on 9. July 2021, 12:18 by cdwg2000
@Mody
I'm glad you like it. Negative constraints are really very useful for solving problems smoothly.
on 9. July 2021, 10:48 by Mody
Sehr schön zu lösen, wenn man die Negativ-Bedingungen beachtet.
Very nice to solve if you observe the negative conditions.
