# hyperboloid of two sheets:  (x/a)**2 + (y/b)**2 = -1 + (z/g)**2
#  only one sheet is used. so that g<=h1<h2

#  type  matter  c    de maxpath  / x y z  a  b c 
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#news   new-1  hypb2
1   hypb2  Fe   0  0   / 0  0  0  5 3  2  3  5
2   hypb2  Al   0  0   / 12 10  0  5 3  2  3  5  1 0 0  0 0 -1
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