box NEvents 10 0 5 1
1. 0. 0. 50.*mm 0. 1. 0. 10*deg 
box NEvents 10 50 2 2
50.*mm 0. 1. 0.  2*deg 0. 0. 1. 
100.*mm 0. 0. 1.   0*deg 0. 0. 0. 
