a b c time
-1 -1 -1  85.5
 1 -1 -1  75.1
-1  1 -1  93.2
 1  1 -1 145.4
-1 -1  1  83.7
 1 -1  1  77.6
-1  1  1  95.0
 1  1  1 141.8