LinkedIn Patches 186 answer, 19 September 2026: a 2 by 1 rectangle at row 1, column 1; a 4 by 1 rectangle at row 1, column 4; a 2 by 1 rectangle at row 2, column 1; a 1 by 2 rectangle at row 1, column 3; a 4 by 1 rectangle at row 2, column 4; a 1 by 4 rectangle at row 1, column 8; a 5 by 2 rectangle at row 3, column 1; a 2 by 2 rectangle at row 3, column 6; a 2 by 2 rectangle at row 5, column 1; a 1 by 3 rectangle at row 5, column 7; a 2 by 1 rectangle at row 7, column 1; a 1 by 3 rectangle at row 5, column 3; a 3 by 3 rectangle at row 5, column 4; a 1 by 4 rectangle at row 5, column 8; a 2 by 1 rectangle at row 8, column 1; a 5 by 1 rectangle at row 8, column 3. Answered 07:04 UTC