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