LinkedIn Patches 181 answer, 14 September 2026: a 3 by 1 rectangle at row 1, column 1; a 3 by 1 rectangle at row 1, column 4; a 3 by 1 rectangle at row 2, column 1; a 3 by 2 rectangle at row 2, column 4; a 3 by 3 rectangle at row 3, column 1; a 3 by 2 rectangle at row 4, column 4; a 2 by 1 rectangle at row 6, column 1; a 4 by 1 rectangle at row 6, column 3. Answered 07:03 UTC