.    x3o4o    .  
                   
                   
                   
                   
x3o4o  o3x4o  x3o4o
                   
                   
                   
                   
  .    x3o4o    .  

This CRF polyteron is obtained from rat by cyclically chopping off 4 opepies.

Incidence matrix according to Dynkin symbol

oo4xo xo3ox4oo&#zx   → height = 0
(tegum sum of squoct and a central co)

o.4o. o.3o.4o.     | 24  * |  2  4  4  0 |  8  4  8  4  4 0 |  8 1  8  8  4 | 2  8 1
.o4.o .o3.o4.o     |  * 12 ♦  0  0  8  4 |  0  0  8  4 16 2 |  0 0  4 16  8 | 0  8 2
-------------------+-------+-------------+------------------+---------------+-------
.. x. .. .. ..     |  2  0 | 24  *  *  * |  4  0  4  0  0 0 |  4 0  4  4  0 | 1  4 1
.. .. x. .. ..     |  2  0 |  * 48  *  * |  2  2  0  1  0 0 |  4 1  2  0  2 | 2  4 0
oo4oo oo3oo4oo&#x  |  1  1 |  *  * 96  * |  0  0  2  1  2 0 |  0 0  2  4  2 | 0  4 1
.. .. .. .x ..     |  0  2 |  *  *  * 24 |  0  0  0  0  4 1 |  0 0  0  4  4 | 0  4 1
-------------------+-------+-------------+------------------+---------------+-------
.. x. x. .. ..     |  4  0 |  2  2  0  0 | 48  *  *  *  * * |  2 0  1  0  0 | 1  2 0
.. .. x.3o. ..     |  3  0 |  0  3  0  0 |  * 32  *  *  * * |  2 1  0  0  1 | 2  2 0
.. xo .. .. ..&#x  |  2  1 |  1  0  2  0 |  *  * 96  *  * * |  0 0  1  2  0 | 0  2 1
.. .. xo .. ..&#x  |  2  1 |  0  1  2  0 |  *  *  * 48  * * |  0 0  2  0  2 | 0  4 0
.. .. .. ox ..&#x  |  1  2 |  0  0  2  1 |  *  *  *  * 96 * |  0 0  0  2  1 | 0  2 1
.. .. .o3.x ..     |  0  3 |  0  0  0  3 |  *  *  *  *  * 8 |  0 0  0  0  4 | 0  4 0
-------------------+-------+-------------+------------------+---------------+-------
.. x. x.3o. ..     ♦  6  0 |  3  6  0  0 |  3  2  0  0  0 0 | 32 *  *  *  * | 1  1 0
.. .. x.3o.4o.     ♦  6  0 |  0 12  0  0 |  0  8  0  0  0 0 |  * 4  *  *  * | 2  0 0
.. xo xo .. ..&#x  ♦  4  1 |  2  2  4  0 |  1  0  2  2  0 0 |  * * 48  *  * | 0  2 0
.. xo .. ox ..&#x  ♦  2  2 |  1  0  4  1 |  0  0  2  0  2 0 |  * *  * 96  * | 0  1 1
.. .. xo3ox ..&#x  ♦  3  3 |  0  3  6  3 |  0  1  0  3  3 1 |  * *  *  * 32 | 0  2 0
-------------------+-------+-------------+------------------+---------------+-------
.. x. x.3o.4o.     ♦ 12  0 |  6 24  0  0 | 12 16  0  0  0 0 |  8 2  0  0  0 | 4  * *
.. xo xo3ox ..&#x  ♦  6  3 |  3  6 12  3 |  3  2  6  6  6 1 |  1 0  3  3  2 | * 32 *
oo4xo .. ox4oo&#zx ♦  4  4 |  4  0 16  4 |  0  0 16  0 16 0 |  0 0  0 16  0 | *  * 6