LinkedIn Patches 140 answer, 4 August 2026: a 1 by 3 rectangle at row 1, column 3; a 3 by 3 rectangle at row 1, column 4; a 2 by 4 rectangle at row 1, column 1; a 4 by 1 rectangle at row 4, column 3; a 2 by 2 rectangle at row 5, column 1; a 4 by 2 rectangle at row 5, column 3. Answered 07:00 UTC