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

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

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

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

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

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

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

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

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

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