LinkedIn Patches 187 answer, 20 September 2026: a 3 by 1 rectangle at row 1, column 2; a 1 by 3 rectangle at row 1, column 6; a 1 by 3 rectangle at row 1, column 1; a 3 by 1 rectangle at row 2, column 2; a 1 by 3 rectangle at row 1, column 5; a 1 by 3 rectangle at row 1, column 7; a 3 by 1 rectangle at row 3, column 2; a 2 by 2 rectangle at row 4, column 4; a 1 by 4 rectangle at row 4, column 1; a 1 by 4 rectangle at row 4, column 3; a 2 by 2 rectangle at row 6, column 4; a 2 by 3 rectangle at row 4, column 6; a 1 by 4 rectangle at row 4, column 2; a 2 by 1 rectangle at row 7, column 6. Answered 07:04 UTC