[[-2, 5, 3, 2], 
 [9, -6, 5, 1], 
 [3, 2, 7, 3], 
 [-1, 8, -4, 8]]

-2 + (-6) + 7 + 8 = 7
-1 + 2 + 5 + 2 =  8
7 + 8 = 15

Probably you. Try coming up with a solution that won't do too many recursions.

Use pen and paper. Then try to find an algorithm.

3

That was really a good kata.Indians would love this kata

Yes, I hope so too. Pass it on to your friends. If all Indians like this Kata then I can get 1 billion upvotes

:-)

In my case space is just constant which is 3*" ".This is the only reason im failing this kata.

So, you have answered your own question.

The spacing is important. It seems you are neglecting this rule:

... (runs are in a 3-digit field)

Are you obeying this rule?

All lines except last have a trailing newline \n

Try here: https://gitter.im/Codewars/codewars.com/kata-solving-help