Acronym  ... 
Name 
f3v5v, variation of grid, hull of idtid 
Circumradius  1+sqrt(5) = 3.236068 
General of army  (is itself convex) 
Colonel of regiment  (is itself locally convex) 
Dihedral angles 

Confer 
Incidence matrix according to Dynkin symbol
f3v5v . . .  120  1 1 1  1 1 1 +++ f . .  2  60 * *  1 1 0 . v .  2  * 60 *  1 0 1 . . v  2  * * 60  0 1 1 +++ f3v .  6  3 3 0  20 * * f . v  4  2 0 2  * 30 * . v5v  10  0 5 5  * * 12
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