The rank 2 solutions that generate complex polygons are: p [4] 2 (p is 2,3,4,...), 3 [3] 3, 3 [6] 2, 3 [4] 3, 4 [3] 4, 3 [8] 2, 4 [6] 2, 4 [4] 3, 3 [5] 3, 5 [3] 5, 3 [10] 2, 5 [6] 2, and 5 [4] 3 with Coxeter diagrams , , , , , , , , , , , , .