Choose a card and indicate me (see the footnotes) the column where you're observing your secret card !

39 22 30
28 4 1
40 45 29
25 14 34
16 17 8
36 43 27
3 7 37
19 46 32
10 24 13

My card (this is a secret!) is
in the first column, in the second column, in the third column