LinkedIn Patches 49 answer, : a 1 by 2 rectangle at row 1, column 1; a 3 by 4 rectangle at row 1, column 2; a 2 by 3 rectangle at row 1, column 5; a 1 by 4 rectangle at row 1, column 7; a 1 by 5 rectangle at row 3, column 1; a 3 by 3 rectangle at row 5, column 2; a 2 by 4 rectangle at row 4, column 5; a 1 by 3 rectangle at row 5, column 7. Answered
21264LinkedIn Patches 49 Answer