Logic Masters Deutschland e.V.

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.

f-puzzle link

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