id,,solution_original,solution
1,,f,f
2,,f,d
3,,e,d
4,,a,f
5,,e,a
6,,d,d
7,,d,e
8,,a,b
9,,d,f
10,,b,a
11,,f,d
12,,d,b
13,,b,e
14,,d,d
15,,d,d
16,,b,b
17,,c,d
18,,a,a
19,,a,c
20,,e,b
21,,d,f
22,,a,a
23,,b,b
24,,f,e
25,,b,a
26,,e,c
27,,c,b
28,,b,e
29,,e,e
30,,c,c