#  type  matter  c    de maxpath  / x y z  a  b c 
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1   box   W       0  0  0    / 0  0  0  25 25 1
2   pipe  Pb      0  0  0    / 7 8   +  2 6  2
3   pipe  Cu     0  0 0      / + 12   =  = =  =2 
4   pipe_y  PWO  0  0  0   /   7  0 10  2 3  25
5   cyl_y     Al   0  0  0   /   +  = =  3 25
6   pipe_y  PWO  0  0  0   /   + = =   2 3  25
7   pipe_x  SciFi  0  0  0  /  0  0 +3  2 3  25
8   pipe_x  Cu   0  0  0   /   = + =   =   =   = 
9    cyl_x     SciFi  0  0  0  /  = + =  3 25
10   pipe_x  Cu  0  0  0   /    = +  = 2 3 25
11   pipe_x Fe  0  0  0   /  = +  =  =  =   = 
12   box   W    0  0 0   / 0 0 +  25 25 1
13   box_w  H2O    0  0 0   / 0 0 0
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