LinkedIn Patches 218 answer, 21 October 2026: a 4 by 2 rectangle at row 1, column 1; a 1 by 7 rectangle at row 1, column 7; a 2 by 3 rectangle at row 3, column 1; a 2 by 3 rectangle at row 3, column 3; a 2 by 4 rectangle at row 1, column 5; a 4 by 2 rectangle at row 6, column 1; a 2 by 3 rectangle at row 5, column 5. Answered 07:03 UTC