問題一覧
1
2
b, c
2
dore
d
3
2
b, c
4
dore
b
5
dore
a
6
2
c, d
7
2
a, b
8
dore
d
9
2
b, c
10
2
a, b
11
dore
c
12
dore
c
13
dore
b
14
dore
a
15
2
a, b
16
2
b, c
17
dore
d
18
dore
c
19
2
b, c
20
dore
a
21
2
c, d
22
dore
c
23
2
a, d
24
2
b, c
25
dore
b
26
dore
a
27
2
b, c
28
dore
b
29
2つ
c, d
30
2
a, d
31
dore
b
32
dore
b