LinkedIn Patches 216 answer, 19 October 2026: a 3 by 2 rectangle at row 1, column 1; a 1 by 2 rectangle at row 1, column 4; a 4 by 1 rectangle at row 3, column 1; a 3 by 3 rectangle at row 1, column 5; a 2 by 4 rectangle at row 4, column 1; a 3 by 2 rectangle at row 4, column 5; a 1 by 2 rectangle at row 4, column 3; a 1 by 2 rectangle at row 4, column 4; a 1 by 2 rectangle at row 6, column 3; a 4 by 2 rectangle at row 6, column 4. Answered 07:03 UTC