Acronym ...
Name 2thex (?)
Circumradius sqrt(5/2) = 1.581139
General of army thex
Colonel of regiment thex
Confer
non-Grünbaumian master:
thex  

Looks like a compound of 2 coincident truncated hexadecachora (thex).


Incidence matrix according to Dynkin symbol

β3x3x *b3o

both( . . .    . ) | 96 |  2  1  2 |  2  1  2  2  1 | 1 2 1 1
-------------------+----+----------+----------------+--------
both( . x .    . ) |  2 | 96  *  * |  1  1  1  0  0 | 1 1 1 0
both( . . x    . ) |  2 |  * 48  * |  2  0  0  2  0 | 1 2 0 1
sefa( β3x .    . ) |  2 |  *  * 96 |  0  0  1  1  1 | 0 1 1 1
-------------------+----+----------+----------------+--------
both( . x3x    . ) |  6 |  3  3  0 | 32  *  *  *  * | 1 1 0 0
both( . x . *b3o ) |  3 |  3  0  0 |  * 32  *  *  * | 1 0 1 0
      β3x .    .     6 |  3  0  3 |  *  * 32  *  * | 0 1 1 0
sefa( β3x3x    . ) |  6 |  0  3  3 |  *  *  * 32  * | 0 1 0 1
sefa( β3x . *b3o ) |  3 |  0  0  3 |  *  *  *  * 32 | 0 0 1 1
-------------------+----+----------+----------------+--------
both( . x3x *b3o )  12 | 12  6  0 |  4  4  0  0  0 | 8 * * *
      β3x3x    .    24 | 12 12 12 |  4  0  4  4  0 | * 8 * *
      β3x . *b3o    12 | 12  0 12 |  0  4  4  0  4 | * * 8 *
sefa( β3x3x *b3o )  12 |  0  6 12 |  0  0  0  4  4 | * * * 8

starting figure: x3x3x *b3o

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