Acronym	cypit
Name	cyclopentachoric tetrachomb, pentachoric-dispentachoric tetracomb, Delone complex of lattice A4
Confer	related tesselations: Voronoi complex of complex of lattice A4*
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Incidence matrix according to Dynkin symbol

x3o3o3o3o3*a   (N→∞)

. . . . .    |  N ♦  20 |  30  30 | 20 30 20 | 5 10 10 5
-------------+----+-----+---------+----------+----------
x . . . .    |  2 | 10N |   3   3 |  3  6  3 | 1  3  3 1
-------------+----+-----+---------+----------+----------
x3o . . .    |  3 |   3 | 10N   * |  2  2  0 | 1  2  1 0
x . . . o3*a |  3 |   3 |   * 10N |  0  2  2 | 0  1  2 1
-------------+----+-----+---------+----------+----------
x3o3o . .    ♦  4 |   6 |   4   0 | 5N  *  * | 1  1  0 0
x3o . . o3*a ♦  6 |  12 |   4   4 |  * 5N  * | 0  1  1 0
x . . o3o3*a ♦  4 |   6 |   0   4 |  *  * 5N | 0  0  1 1
-------------+----+-----+---------+----------+----------
x3o3o3o .    ♦  5 |  10 |  10   0 |  5  0  0 | N  *  * *
x3o3o . o3*a ♦ 10 |  30 |  20  10 |  5  5  0 | *  N  * *
x3o . o3o3*a ♦ 10 |  30 |  10  20 |  0  5  5 | *  *  N *
x . o3o3o3*a ♦  5 |  10 |   0  10 |  0  0  5 | *  *  * N

or
. . . . .       |  N ♦  20 |  60 |  40 30 | 10 20
----------------+----+-----+-----+--------+------
x . . . .       |  2 | 10N |   6 |   6  6 |  2  6
----------------+----+-----+-----+--------+------
x3o . . .     & |  3 |   3 | 20N |   2  2 |  1  3
----------------+----+-----+-----+--------+------
x3o3o . .     & ♦  4 |   6 |   4 | 10N  * |  1  1
x3o . . o3*a    ♦  6 |  12 |   8 |   * 5N |  0  2
----------------+----+-----+-----+--------+------
x3o3o3o .     & ♦  5 |  10 |  10 |   5  0 | 2N  *
x3o3o . o3*a  & ♦ 10 |  30 |  30 |   5  5 |  * 2N