LinkedIn Patches 209 answer, 12 October 2026: a 3 by 2 rectangle at row 1, column 1; a 3 by 3 rectangle at row 1, column 4; a 1 by 4 rectangle at row 3, column 1; a 2 by 3 rectangle at row 3, column 2; a 1 by 2 rectangle at row 4, column 4; a 2 by 2 rectangle at row 4, column 5; a 3 by 1 rectangle at row 6, column 2; a 2 by 1 rectangle at row 6, column 5. Answered 07:03 UTC