LinkedIn Mini Sudoku 163 answer, 21 January 2026: row 1: 5 3 4 1 6 2; row 2: 6 1 2 3 4 5; row 3: 2 6 3 4 5 1; row 4: 1 4 5 6 2 3; row 5: 3 2 6 5 1 4; row 6: 4 5 1 2 3 6. Answered 08:00 UTC