LinkedIn Patches 139 answer, 3 August 2026: a 1 by 3 rectangle at row 1, column 1; a 4 by 2 rectangle at row 1, column 2; a 2 by 4 rectangle at row 3, column 4; a 1 by 3 rectangle at row 1, column 6; a 1 by 3 rectangle at row 4, column 1; a 2 by 4 rectangle at row 3, column 2; a 1 by 3 rectangle at row 4, column 6. Answered 07:00 UTC