Pi Sudoku 2023
Rules Standard Sudoku Little Killer: digits along the diagonal must sum to the given number outside the grid Thermo Sudoku: digits must strictly increase as they move away from the bulb. There are three thermometers: starting from r5c3, ending at r4c7 starting from r4c4, ending at r6c4 starting from r4c6, ending at r7c6 Links f-puzzles