https://overiq.com/c-programming-101/array-of-pointers-to-strings-in-c/
https://overiq.com/c-programming-101/array-of-pointers-to-strings-in-c/
$arr \space + \space iCOLUMNSsizeof(char)\space + \space j*sizeof(char)$
https://craftofcoding.wordpress.com/2017/02/03/column-major-vs-row-major-arrays-does-it-matter/