MosaicSets is an algorithm and visualization approach for overlap-constrained set layouts. Project repository: gitlab.igg.uni-bonn.de/geoinfo/mosaicsets. The algorithm was presented at InfoVIS 2022; the paper is available at ieeexplore.ieee.org/document/9904435.
Paste the two datasets and run. Format per line: setName;element1;element2;... (elements may also be separated with : or ,).