May 2018 - Solution

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May 2018 Challenge


Alex Fleischer sent us an ILOG solution (thanks again). It makes solving this challenge look so easy...

Alexander Raß proved that there are two types of solution:

ABC-DEF
BEH-CDJ
DGH-EIJ
AGI-FHJ
and
ABC-DEF
DGH-EIJ
AGI-BHJ
CDEHI-ABFGJ