x1  x2  x3  y 
 -1  -1  -1  674
 -1  -1   0  370
 -1  -1   1  292
 -1   0  -1  338
 -1   0   0  266
 -1   0   1  210
 -1   1  -1  170
 -1   1   0  118
 -1   1   1   90
 0   -1  -1  1414
 0   -1   0  1198
 0   -1   1  634
 0    0  -1  1022
 0    0   0  620
 0    0   1  438
 0    1  -1  442
 0    1   0  332
 0    1   1  220
 1   -1  -1  3636
 1   -1   0  3184
 1   -1   1  2000
 1    0  -1  1568
 1    0   0  1070
 1    0   1  566
 1    1  -1  1140
 1    1   0  884
 1    1   1  360