Question

♤ONLY FOR GENIUSES♤

How many possible patterns are there in this type of pattern lock?

Answer 1

1 dot: 9

2 dots: 56

3 dots: 320

4 dots: 1624

5 dots: 7152

6 dots: 26016

7 dots: 72912

8 dots: 140704

9 dots: 140704

I dont why 8 dots and 9 dots have same combinations But if you are eager to know why? …..I think both 8 dots and 9 dots got a lot of differences in combinations but there valid(perfect) combinations are same :::))))))