LinkedIn Patches 90 answer, 15 June 2026: a 3 by 1 rectangle at row 1, column 1; a 1 by 4 rectangle at row 1, column 4; a 3 by 6 rectangle at row 2, column 1; a 1 by 7 rectangle at row 1, column 7; a 1 by 3 rectangle at row 5, column 4; a 2 by 7 rectangle at row 1, column 5. Answered 07:00 UTC