path: root/challenge-086/feng-chang/raku/data.txt

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