LinkedIn Patches 188 answer, 21 September 2026: a 6 by 1 rectangle at row 1, column 1; a 2 by 5 rectangle at row 2, column 1; a 1 by 5 rectangle at row 2, column 3; a 1 by 4 rectangle at row 2, column 4; a 2 by 4 rectangle at row 2, column 5; a 3 by 1 rectangle at row 6, column 4. Answered 07:03 UTC