Write the vertex type of this semiregular tiling: 
Definitions:
Primary Attachment
The initial and strongest bond formed by an infant with their primary caregiver, crucial for the child's development.
Baby Einstein
Baby Einstein is a brand known for producing multimedia products, including videos, music, and toys, designed to be educational tools for infants and toddlers.
Vocabulary Increased
The expansion or growth of one's set of known words or terminologies.
University of Washington
A public research university located in Seattle, Washington, known for its medical, engineering, and science programs.
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