1	1a112
2	1a11
3	1a1
4	1a
5	1a121
6	1a222
7	1a22
8	2a11
9	2a1
10	2a
11	3a1
12	3a
13	4A
14	1b112
15	1b11
16	1b1
17	1b
18	1b121
19	1b222
20	1b22
21	2b11
22	2b1
23	2b
24	3b1
25	3b
26	4B
27	1c111
28	1c11
29	1c1
30	1c
31	1c121
32	1c222
33	1c22
34	2c11
35	2c1
36	2c
37	3c1
38	3c
39	4C
40	1d112
41	1d11
42	1d1
43	1d
44	1d121
45	1d222
46	1d22
47	2d11
48	2d1
49	2d
50	3d1
51	3d
52	4d1
53	4d