Number Fill-Ins # 10

Here are three 13x13 Number Fills-ins puzzles. Fill in the grid with the numbers that appear. Observation, rigor and patience are required. 

1)

Puzzle :fill_in_13x13_00003.pdf

Solution :fill_in_13x13_00003_sol.pdf

2)

Puzzle :fill_in_13x13_00004.pdf

Solution :fill_in_13x13_00004_sol.pdf

3)

Puzzle :fill_in_13x13_00005.pdf

Solution :fill_in_13x13_00005_sol.pdf

In case you like these puzzles, you're in luck, because you can buy these books on Amazon.

Have fun !