the figure 2 in the paper mistakes

[linzhk]

figure2 shows an example about v1->v3 and v2->v4 on the left , however v1->v2 and v3->v4 on the right. How did you make it?

[rikdz]

This is an error in the figure. the left side should also have v1->v2, v3->v4. Sorry!