Example of three graphs

Question

Provide an example of three graphs G₁ , G₂ , and G₃ of order 7 such that every vertex of each graph has degree 2, 3 or 4, where there is at least one vertex of each of these degrees and

a) there are at least three vertices of degree 2 in G₁

b) there are at least four vertices of degree 3 in G₂

c) there are at least three vertices of degree 4 in G₃