/problems/whatsthatprogression/data/secret/
../
1.ans
1.in
10.ans
10.in
11.ans
11.in
12.ans
12.in
13.ans
13.in
14.ans
14.in
2.ans
2.in
3.ans
3.in
4.ans
4.in
5.ans
5.in
6.ans
6.in
7.ans
7.in
8.ans
8.in
9.ans
9.in