Within this Grünbaumian polychoron the whole diagram coincides by its own mirror symmetry. In fact, vertices and central edges coincide by 4, the symmetrically denoted squares by 2, and all other elements pairwise (in accordance to that symmetry clashing).

Incidence matrix according to Dynkin symbol

x3x3/2x3x

. .   . . | 120 |  1  1  1  1 |  1  1  1  1  1  1 | 1  1  1 1
----------+-----+-------------+-------------------+----------
x .   . . |   2 | 60  *  *  * |  1  1  1  0  0  0 | 1  1  1 0
. x   . . |   2 |  * 60  *  * |  1  0  0  1  1  0 | 1  1  0 1
. .   x . |   2 |  *  * 60  * |  0  1  0  1  0  1 | 1  0  1 1
. .   . x |   2 |  *  *  * 60 |  0  0  1  0  1  1 | 0  1  1 1
----------+-----+-------------+-------------------+----------
x3x   . . |   6 |  3  3  0  0 | 20  *  *  *  *  * | 1  1  0 0
x .   x . |   4 |  2  0  2  0 |  * 30  *  *  *  * | 1  0  1 0
x .   . x |   4 |  2  0  0  2 |  *  * 30  *  *  * | 0  1  1 0
. x3/2x . |   6 |  0  3  3  0 |  *  *  * 20  *  * | 1  0  0 1	{6/2}
. x   . x |   4 |  0  2  0  2 |  *  *  *  * 30  * | 0  1  0 1
. .   x3x |   6 |  0  0  3  3 |  *  *  *  *  * 20 | 0  0  1 1
----------+-----+-------------+-------------------+----------
x3x3/2x . ♦  24 | 12 12 12  0 |  4  6  0  4  0  0 | 5  *  * *
x3x   . x ♦  12 |  6  6  0  6 |  2  0  3  0  3  0 | * 10  * *
x .   x3x ♦  12 |  6  0  6  6 |  0  3  3  0  0  2 | *  * 10 *
. x3/2x3x ♦  24 |  0 12 12 12 |  0  0  0  4  6  4 | *  *  * 5