冷d(A)=d(B)=d(E)=4,d(C)=d(D)=3 %s Euler path: C, B, A, C, E, A, D, B,E, D❖ d(A)=d(B)=d(E)=4, d(C)=d(D)=3, ❖ Euler path:C,B,A,C,E,A,D,B,E,D