What is the position of the number 6? Enter your answer in the form `\boxed{rXcY}`.

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