	x1	x2	x3	pain
1	1	1	1	same
2	1	1	1	marked.improvement
3	1	1	1	complete.relief
4	1	2	1	same
5	1	2	1	slight.improvement
6	1	2	1	marked.improvement
7	1	2	1	complete.relief
8	1	1	2	moderate.improvement
9	1	1	2	marked.improvement
10	1	3	1	marked.improvement
11	1	3	1	complete.relief
12	1	2	2	same
13	1	2	2	moderate.improvement
14	1	2	2	complete.relief
15	2	1	1	slight.improvement
16	2	1	1	marked.improvement
17	2	1	1	complete.relief
18	1	3	2	slight.improvement
19	1	3	2	moderate.improvement
20	1	3	2	marked.improvement
21	2	2	1	same
22	2	2	1	slight.improvement
23	2	2	1	moderate.improvement
24	2	2	1	marked.improvement
25	2	2	1	complete.relief
26	2	1	2	same
27	2	1	2	marked.improvement
28	2	3	1	worse
29	2	3	1	same
30	2	3	1	slight.improvement
31	2	3	1	moderate.improvement
32	2	3	1	marked.improvement
33	2	2	2	worse
34	2	2	2	same
35	2	2	2	slight.improvement
36	2	2	2	moderate.improvement
37	2	2	2	complete.relief
38	2	3	2	worse
39	2	3	2	slight.improvement
40	2	3	2	moderate.improvement
41	1	1	1	marked.improvement
42	1	1	1	complete.relief
43	1	1	1	complete.relief
44	1	1	1	complete.relief
45	1	2	1	same
46	1	2	1	slight.improvement
47	1	2	1	slight.improvement
48	1	2	1	marked.improvement
49	1	2	1	marked.improvement
50	1	2	1	marked.improvement
51	1	2	1	marked.improvement
52	1	2	1	marked.improvement
53	1	2	1	complete.relief
54	1	2	1	complete.relief
55	1	2	1	complete.relief
56	1	1	2	marked.improvement
57	1	1	2	marked.improvement
58	1	3	1	marked.improvement
59	1	3	1	complete.relief
60	1	2	2	moderate.improvement
61	2	1	1	slight.improvement
62	2	1	1	slight.improvement
63	2	1	1	complete.relief
64	1	3	2	marked.improvement
65	1	3	2	marked.improvement
66	2	2	1	same
67	2	2	1	same
68	2	2	1	slight.improvement
69	2	2	1	slight.improvement
70	2	2	1	slight.improvement
71	2	2	1	moderate.improvement
72	2	2	1	moderate.improvement
73	2	2	1	moderate.improvement
74	2	2	1	moderate.improvement
75	2	2	1	marked.improvement
76	2	2	1	marked.improvement
77	2	2	1	marked.improvement
78	2	2	1	marked.improvement
79	2	2	1	marked.improvement
80	2	2	1	complete.relief
81	2	1	2	marked.improvement
82	2	1	2	marked.improvement
83	2	3	1	worse
84	2	3	1	same
85	2	3	1	moderate.improvement
86	2	3	1	moderate.improvement
87	2	3	1	moderate.improvement
88	2	3	1	moderate.improvement
89	2	3	1	marked.improvement
90	2	2	2	same
91	2	2	2	same
92	2	2	2	same
93	2	2	2	slight.improvement
94	2	2	2	slight.improvement
95	2	2	2	slight.improvement
96	2	2	2	moderate.improvement
97	2	2	2	moderate.improvement
98	2	3	2	worse
99	2	3	2	slight.improvement
100	2	3	2	moderate.improvement
101	2	3	2	moderate.improvement
