2

The one on the left,

The first line, 1 * 1

The second line, 2 2 1

The third line, * 1 0

second

The first line, 1 2 2

The second line, 2 * *

The third line, * 3 2

third

The first line, 2 * 2

The second line, 3 * 3

The third line, 2 * 2

If you agree with my answer,

Please click the "Accept as Satisfied" button in time (or comment at the satisfaction point in the upper right corner of the client).

Your adoption,

It is my motivation to move forward! Your adoption will also bring you wealth value.

If you don't understand,

You can ask questions until you understand the question!