LinkedIn Mini Sudoku 129 answer, 18 December 2025: row 1: 6 3 4 2 1 5; row 2: 2 1 5 6 3 4; row 3: 1 2 3 4 5 6; row 4: 4 5 6 3 2 1; row 5: 5 4 2 1 6 3; row 6: 3 6 1 5 4 2. Answered 08:00 UTC