o o    
           		where:
o   Q Q   o		Q = sqrt(8) = 2.828427
o   Q Q   o
           
    o o    

    x x    
           		where:
           		d = 3
x   d d   x
           
           
    x x    

Incidence matrix according to Dynkin symbol

Qo oq4xx&#zh   → height = 0
                 where Q = sqrt(8) = 2.828427 (pseudo)

o. o.4o.    | 8 * | 2  2 0 0 | 1 1 2
.o .o4.o    | * 8 | 0  2 1 1 | 0 2 2
------------+-----+----------+------
.. .. x.    | 2 0 | 8  * * * | 1 0 1  x
oo oo4oo&#h | 1 1 | * 16 * * | 0 1 1  h
.. .q ..    | 0 2 | *  * 4 * | 0 2 0  q
.. .. .x    | 0 2 | *  * * 4 | 0 0 2  x
------------+-----+----------+------
.. o.4x.    | 4 0 | 4  0 0 0 | 2 * *
.. oq ..&#h | 1 2 | 0  2 1 0 | * 8 *
.. .. xx&#h | 2 2 | 1  2 0 1 | * * 8

oqo4xxx&#ht   → both heights = sqrt(2) = 1.414214

o..4o..    | 4 * * | 2 2 0 0 0 0 | 1 1 2 0 0 0
.o.4.o.    | * 8 * | 0 1 1 1 1 0 | 0 1 1 1 1 0
..o4..o    | * * 4 | 0 0 0 0 2 2 | 0 0 0 1 2 1
-----------+-------+-------------+------------
... x..    | 2 0 0 | 4 * * * * * | 1 0 1 0 0 0  x
oo.4oo.&#h | 1 1 0 | * 8 * * * * | 0 1 1 0 0 0  h
.q. ...    | 0 2 0 | * * 4 * * * | 0 1 0 1 0 0  q
... .x.    | 0 2 0 | * * * 4 * * | 0 0 1 0 1 0  x
.oo4.oo&#h | 0 1 1 | * * * * 8 * | 0 0 0 1 1 0  h
... ..x    | 0 0 2 | * * * * * 4 | 0 0 0 0 1 1  x
-----------+-------+-------------+------------
o..4x..    | 4 0 0 | 4 0 0 0 0 0 | 1 * * * * *
oq. ...&#h | 1 2 0 | 0 2 1 0 0 0 | * 4 * * * *
... xx.&#h | 2 2 0 | 1 2 0 1 0 0 | * * 4 * * *
.qo ...&#h | 0 2 1 | 0 0 1 0 2 0 | * * * 4 * *
... .xx&#h | 0 2 2 | 0 0 0 1 2 1 | * * * * 4 *
..o4..x    | 0 0 4 | 0 0 0 0 0 4 | * * * * * 1