You must check whether i is out of bound before doing maze[i][j], since an out of bound maze[i] will yield undefined and it is not accessible via indexing.

Still required

Diamond!

Explanation team required...

from the African countries that start with the character E...

The maze has two dimensions...

Excellent!)

Just passed this kata without using crosstab, it seems that test check commented line also. ts

Wow, elegance!

Epic))

Smart and lean solution!