Lng  x1 x2 x3 xa
19.8  1  0  0  1
22.1  1  0  0  1
21.5  1  0  0  1
20.9  1  0  0  1
22    1  0  0  1
21    1  0  0  1
22.3  1  0  0  1
21    1  0  0  1
20.3  1  0  0  1
20.9  1  0  0  1
22    1  0  0  1
20    1  0  0  1
20.8  1  0  0  1
21.2  1  0  0  1
21    1  0  0  1

22    0  1  0  1
23.9  0  1  0  1
20.9  0  1  0  1
23.8  0  1  0  1
25    0  1  0  1
24    0  1  0  1
21.7  0  1  0  1
23.8  0  1  0  1
22.8  0  1  0  1
23.1  0  1  0  1
23.1  0  1  0  1
23.5  0  1  0  1
23    0  1  0  1
23    0  1  0  1

21.8  0  0  1  1
23    0  0  1  1
23.3  0  0  1  1
22.4  0  0  1  1
22.4  0  0  1  1
23    0  0  1  1
23    0  0  1  1
23    0  0  1  1
23.9  0  0  1  1
22.3  0  0  1  1
22    0  0  1  1
22.6  0  0  1  1
22    0  0  1  1
22.1  0  0  1  1
21.1  0  0  1  1
23    0  0  1  1