LinkedIn Mini Sudoku 253 answer, 21 April 2026: row 1: 1 2 6 3 5 4; row 2: 3 4 5 6 2 1; row 3: 2 1 3 4 6 5; row 4: 6 5 4 1 3 2; row 5: 5 6 1 2 4 3; row 6: 4 3 2 5 1 6. Answered 07:00 UTC