C941 Swap

Since they still had something to do in the afternoon, Qin Luo gave Qin Nianrann a few pointers and then separated from the two.

Actually, Poincaré's guess was very simple. If it was Qin Luo, he would be able to solve it in less than two months.

However, Qin Luo did not choose to help Qin Nianrann directly. Instead, he merely reminded Qin Nianrann of some details.

As the saying goes