I agree with Kitatus, and probably most others.
Especially about :
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That should never have been allowed to get on the marketplace. If someone buys that and open the BPs, he will probably never buy any BP asset again on the marketplace since he then thinks thats the quality standard of the marketplace!
And if you have such a graph, its quite likely that the seller himself has no clue whats really happening there. Or he intentionally obfuscated the graph so that no one can understand and modify it.