1	2	3	4	5	6	7	8	9	0
1	x	x	x	x	a	x	x	x	x	x
2	x	x	x	a	x	x	x	x	x	x
3	x	x	x	a	x	x	x	x	x	x
4	x	a	x	x	x	x	x	x	x	x
5	x	x	a	x	x	x	x	x	x	x
6	x	x	x	x	a	x	x	x	x	x
7	x	x	x	a	x	x	x	x	x	x
8	x	x	x	x	a	x	x	x	x	x
9	x	x	x	a	x	x	x	x	x	x
10	x	x	a	x	x	x	x	x	x	x
11	a	x	x	x	x	x	x	x	x	x
12	x	a	x	x	x	x	x	x	x	x
13	x	a	x	x	x	x	x	x	x	x
14	x	x	x	a	x	x	x	x	x	x
15	x	x	x	x	x	x	a	x	x	x
16	a	x	x	x	x	x	x	x	x	x
17	a	x	x	x	x	x	x	x	x	x
18	x	x	a	x	x	x	x	x	x	x
19	x	x	x	a	x	x	x	x	x	x
20	x	x	x	a	x	x	x	x	x	x
21	x	x	a	x	x	x	x	x	x	x
22	x	a	x	x	x	x	x	x	x	x
23	x	a	x	x	x	x	x	x	x	x
24	x	a	x	x	x	x	x	x	x	x
25	x	x	x	a	x	x	x	x	x	x
26	x	x	a	x	x	x	x	x	x	x
27	x	x	x	a	x	x	x	x	x	x
28	x	x	x	a	x	x	x	x	x	x
29	x	x	x	x	a	x	x	x	x	x
30	a	x	x	x	x	x	x	x	x	x
31	x	x	a	x	x	x	x	x	x	x
32	x	x	a	x	x	x	x	x	x	x
33	x	x	x	a	x	x	x	x	x	x
34	x	x	x	a	x	x	x	x	x	x
35	x	a	x	x	x	x	x	x	x	x
36	x	x	a	x	x	x	x	x	x	x
37	x	x	x	a	x	x	x	x	x	x
38	x	x	x	x	x	a	x	x	x	x
39	x	a	x	x	x	x	x	x	x	x
40	x	x	a	x	x	x	x	x	x	x