Logic Masters Deutschland e.V.

I'm pleased to announce that this is my 50th upload to my LMD profile! If I have my way, I'll keep on to 100 or more!

---

Rules:

- Normal Sudoku rules apply.

- Modular Lines - along hollow teal modular lines, any group of three neighboring digits must have a digit from each of the following sets: [1,4,7], [2,5,8], and [3,6,9].

- Global entropy - every 2 by 2 box of cells in the grid must have at least 1 low digit (1, 2, or 3), 1 middle digit (4, 5, or 6), and 1 high digits (7, 8, 9).

- Little Killer - the digits along the diagonal indicated by the arrow must add up to the number next to the arrow. Digits may repeat if allowed by other rules.

- Ratio Kropki - digits separated by a black Kropki dot have a ratio of 2:1. No negative constraint.

- XV sums - digits separated by X sum to 10; digits separated by V sum to 5. No negative constraint.

---

Sudokupad