Explain why the tiling below does not form a semiregular tiling of the plane. 
Definitions:
Robinson-Patman Act
The Robinson-Patman Act is a United States federal law that prohibits anticompetitive practices by producers, specifically price discrimination.
Predatory Pricing
Predatory Pricing is a pricing strategy where a company sets its prices below cost to drive competitors out of the market, intending to raise prices once the competition is eliminated.
Pharmacy Retail Chain
A network of retail stores that sell pharmaceutical and healthcare products, often offering additional services like prescriptions management and health advice.
Wheeler-Lea Act
An amendment to the Federal Trade Commission Act that expanded the FTC’s authority to regulate unfair or deceptive acts or practices in commerce.
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