What is the position of the number 7? Enter your answer in the form `\boxed{rXcY}`.

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