Acronym	srotazt
Name	hyperbolic (small) rhombi-trigonal-horocyclic tiling
Circumradius	sqrt(-7)/2 = 1.322876 i
Vertex figure	[3,4,∞,4]
External links

Incidence matrix according to Dynkin symbol

x3o∞x   (N,M → ∞)

. . . | 6NM |   2   2 |   1   2  1
------+-----+---------+-----------
x . . |   2 | 6NM   * |   1   1  0
. . x |   2 |   * 6NM |   0   1  1
------+-----+---------+-----------
x3o . |   3 |   3   0 | 2NM   *  *
x . x |   4 |   2   2 |   * 3NM  *
. o∞x |   M |   0   M |   *   * 6N