This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Weak orderings .svg The possible weak orderings on or ordered set partitions of element set shown in the Cayley graph of that looks like the permutohedron The assignment of permutations to the vertices is not the same as in the permutohedron own Matecode px Weak ordering Permutohedronlike Cayley graphs of Regular hexagons Permutation