*Vertices 4
1 "domestic washing or cleaning; suction cleaners in general" 0.0 0.0 0.0  x_fact 0.000000 y_fact 0.000000
2 "railway systems; equipment therefor not otherwise provided for" 0.0 0.0 0.0  x_fact 0.000000 y_fact 0.000000
3 "other domestic stoves or ranges; details of domestic stoves or ranges,..." 0.0 0.0 0.0  x_fact 0.000000 y_fact 0.000000
4 "dynamo-electric machines" 0.0 0.0 0.0  x_fact 1.386294 y_fact 1.386294
*Matrix
1.000000 0.000000 0.000000 0.000000
0.000000 1.000000 1.000000 0.000000
0.000000 1.000000 1.000000 0.000000
0.000000 0.000000 0.000000 1.000000