Standard sudoku rules applies. Fill the grid with numbers from 1 to 9 so each digit occurs exactly once in every row, column and 3x3 box.
Four digits surrounded the circle mean there are more odd numbers than even or more even than odd.The number in the circle show the sum of the digits that have the majority parity around the circle.
All possible circle are given. In other words, place without a circle have 2 odd numbers and two even digits.
This puzzle is made by Old Miles from China in 2017.Last puzzle should be type c for the 1:3 proportion.And there is no type A
Solution code: row 7 and column 3
on 17. March 2021, 04:16 by cdwg2000
Very nice!
on 19. November 2020, 21:01 by panthchesh
Thanks for the puzzle! It was fun!
on 19. November 2020, 15:21 by bigger
add f puzzle link
on 19. November 2020, 13:42 by panthchesh
Here is an f-puzzles for you -- https://f-puzzles.com/?id=y54p2suq
on 19. November 2020, 08:57 by Big Tiger
Clever bit of fun. I broke it several times by making assumptions instead of actually laying out all my options first.