#  type  matter  c    de maxpath  / x y z  a  b c 
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1 pipe Pb 1 0 0 / 0 0 0 1 2 5
2 pipe_x Fe 1 0 0 / 2 0 0 1 2 5
3 pipe_y Al 1 0 0 / 0 2 0 1 2 5
4 box_w  sp 0  0   / 0 0 0
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