x1 x2 x3 y
-1 -1 -1  674
 0 -1 -1 1414
 1 -1 -1 3636
-1  0 -1  338
 0  0 -1 1022
 1  0 -1 1368
-1  1 -1  170
 0  1 -1  442
 1  1 -1 1140
-1 -1  0  370
 0 -1  0 1198
 1 -1  0 3184
-1  0  0  266
 0  0  0  620
 1  0  0 1070
-1  1  0  118
 0  1  0  332
 1  1  0  884
-1 -1  1  292
 0 -1  1  634
 1 -1  1 2000
-1  0  1  210
 0  0  1  438
 1  0  1  566
-1  1  1   90
 0  1  1  220
 1  1  1  360