Acronym ...
Name hyperbolic x4o3o5o3*a tesselation
Circumradius sqrt[(1+2 sqrt(2)+sqrt(5)-2 sqrt(10))/6] = 0.208191 i
Vertex figure
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Incidence matrix according to Dynkin symbol

x4o3o5o3*a   (N → ∞)

. . . .    | 2N   60 |  60  60 | 20 30 12
-----------+----+-----+---------+---------
x . . .    |  2 | 60N |   2   2 |  1  2  1
-----------+----+-----+---------+---------
x4o . .    |  4 |   4 | 30N   * |  1  1  0
x . . o3*a |  3 |   3 |   * 40N |  0  1  1
-----------+----+-----+---------+---------
x4o3o .      8 |  12 |   6   0 | 5N  *  *
x4o . o3*a  12 |  24 |   6   8 |  * 5N  *
x . o5o3*a  12 |  30 |   0  20 |  *  * 2N

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