What is the position of the number 4? Enter your answer in the form `\boxed{rXcY}`.

. 7 8 2 3 . . 5 9
5 . 9 . 6 7 2 1 .
. . . . 5 8 3 6 7
. 5 . 6 7 3 . . 1
8 6 3 1 . 9 . 7 .
. . . . 8 2 6 . 4
3 . . . . 5 . 2 6
. 8 . 7 . 6 1 . .
7 2 . 3 1 . 8 9 5