Logic Masters Deutschland e.V.

This sudoku is a collaboration between myself and The Pi Guy. Hope you enjoy it! :)

Sudoku: Put the digits 1-9 once each into every row, column and 3 by 3 box.

Circle Sums: The digits in the 4 cells surrounding a circle, sum to the number in the circle.

Sum Thermometers: The sums of the 2 by 2 areas along each sum thermometer must strictly increase from the bulb to the tip.

Modular Lines: Each set of 3 cells along a solid teal line must consist of a digit with remainder 1 (147), a digit with remainder 2 (258) and a digit with remainder 0 (369) when divided by 3.

Entropic Lines & Global Entropy: Each set of 3 cells along a hollow gold line must consist of a low digit (123), a middle digit (456) and a high digit (789). In addition, each 2 by 2 area in the grid must contain at least one low, one middle and one high digit.

Solve the puzzle on Sudokupad: Puzzle Link

A special thanks to the testers on the CTC Discord server. We look forward to hearing what other people think about the sum thermometer rule constraint. Happy solving!