_id	id	gridcode
1	""	1
2	""	1
3	""	1
4	""	1
5	""	1
6	""	1
7	""	2
8	""	2
9	""	2
10	""	2
11	""	2
12	""	2
13	""	2
14	""	2
15	""	3
16	""	3
17	""	3
18	""	3
19	""	3
20	""	3
21	""	3
22	""	4
23	""	4
24	""	4
25	""	4
26	""	4
27	""	4
28	""	4
29	""	4
30	""	5
31	""	5
32	""	5
33	""	5
34	""	5
35	""	6
36	""	5
37	""	5
38	""	5
39	""	5
40	""	5
41	""	1
42	""	1
43	""	2
44	""	2
45	""	2
46	""	3
47	""	3
48	""	3
49	""	4
50	""	4
51	""	5
52	""	5
53	""	6