LinkedIn Patches 215 answer, 18 October 2026: a 2 by 1 rectangle at row 1, column 4; a 3 by 2 rectangle at row 1, column 1; a 2 by 1 rectangle at row 2, column 4; a 2 by 1 rectangle at row 3, column 1; a 3 by 3 rectangle at row 3, column 3; a 1 by 4 rectangle at row 4, column 1; a 1 by 2 rectangle at row 4, column 2; a 1 by 5 rectangle at row 1, column 7; a 1 by 5 rectangle at row 1, column 8; a 1 by 6 rectangle at row 1, column 6; a 2 by 1 rectangle at row 6, column 7; a 4 by 2 rectangle at row 6, column 2; a 3 by 2 rectangle at row 7, column 6; a 5 by 1 rectangle at row 8, column 1. Answered 07:04 UTC