Stieltjes on a square #6

Job	Run time
Julia lts - ubuntu-latest - x64 - pull_request	2m 17s
Julia lts - macOS-latest - x64 - pull_request	3m 26s
Julia 1 - windows-latest - x64 - pull_request	4m 10s
Julia lts - windows-latest - x64 - pull_request	2m 58s
Julia 1 - ubuntu-latest - x64 - pull_request	2m 51s
Julia 1 - macOS-latest - x64 - pull_request	3m 35s
	19m 17s

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