Logic Masters Deutschland e.V.

The Minimum Compass

Rules:

Standard Sudoku: Place the digits 1–9 so that each row, column, and 3×3 box contains each digit exactly once.

Diagonal Sudoku: The two main diagonals also contain digits 1–9 with no repeats.

Arrows: Digits along an arrow sum to the number shown in the circled cell.

Double Arrows: The sum of the digits along the red line is equal to the sum of the digits in the circles at either end of the line.

Minimum Cells: Each purple cell is smaller than all of its orthogonally adjacent neighbors.

Thermometers: Along each thermometer, digits strictly increase from the bulb to the tip.

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Happy solving!