Expected 'false' on input of
1 2 3 4 5 6 7 8 9
2 3 1 5 6 4 8 9 7
3 1 2 6 4 5 9 7 8
4 5 6 7 8 9 1 2 3
5 6 4 8 9 7 2 3 1
6 4 5 9 7 8 3 1 2
7 8 9 1 2 3 4 5 6
8 9 7 2 3 1 5 6 4
9 7 8 3 1 2 6 4 5

• Expected: false, instead got: true
  why?

I am getting 17 passed and one failed.

"find element not existing in array:,0.6680575974751264"

I have no idea how to fix this .

I got the same mistake,but it passed fine