LHC  long pipe
#  type  matter  c    de maxpath / x0   y0   z0   a  b h a'
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#news new-1  cone
#news new-2  ecyl
1  cone Fe  0   0    /   0     0     0  3.3  2.3 50  6.3 /2
2  cone sp  0   0    /   0     0     0  3    2   50  6
3  ecyl    sp  1   0    /   0.    0     +  6.3  4.3909 .1    
c  4  box_w sp   0 0  / 0 0 0
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