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 increase or decrease clockwise.The number in the circle show the sum of the biggest and smallest number around the circle.

All possible circle are given. In other words, places without a circle don't have the 4 clockwise increasing or decreasing digits.

f puzzle link

This puzzle is made by Old Miles from China in 2017.You totally see this one coming, right? I wonder what would be the next one.

This one might be a little bit harder. So take your time. The skill you use in the previous one is also useful. Big spoiler, the next one is actually the last of the Old Miles' type series. Hope nobody is getting annoyed at this easy sseries.