LinkedIn Patches 143 answer, 7 August 2026: a 7 by 1 rectangle at row 1, column 1; a 7 by 1 rectangle at row 2, column 1; a 7 by 1 rectangle at row 3, column 1; a 4 by 3 rectangle at row 4, column 4; a 3 by 3 rectangle at row 4, column 1; a 7 by 1 rectangle at row 7, column 1. Answered 07:25 UTC