/projects/project3_kenken/puzzle_files/
../
3x3_1.txt
3x3_2.txt
3x3_3.txt
4x4_1.txt
4x4_2.txt
4x4_3.txt
5x5_1.txt
5x5_2.txt
5x5_3.txt
6x6_1.txt
6x6_2.txt
7x7_1.txt
7x7_2.txt
8x8_1.txt
8x8_2.txt
9x9_1.txt
9x9_2.txt
9x9_3.txt