LinkedIn Mini Sudoku 321 answer, 28 June 2026: row 1: 1 6 5 4 2 3; row 2: 4 3 2 6 5 1; row 3: 3 2 1 5 4 6; row 4: 6 5 4 3 1 2; row 5: 5 1 6 2 3 4; row 6: 2 4 3 1 6 5. Answered 07:00 UTC