no.	key
1	E
2	B
3	C
4	A
5	A
6	C
7	C
8	E
9	D
10	B
11	A
12	C
13	A
14	C
15	A
16	A
17	D
18	A
19	D
20	A
21	C
22	A
23	A
24	B
25	C
26	A
27	B
28	C
29	C
30	C
31	A
32	B
33	A
34	C
35	D
36	A
37	B
38	D
39	A
40	C
41	A
42	B
43	B
44	B
45	C
46	B
47	B
48	D
49	D
50	A
51	A
52	C
53	D
54	C
55	D