Question

Each row and column adds up to the number given outside the boxes.
Fill in digits 1 to 9 without repeating any digit.
3
.
1.
2.
18
2
6
7
16
8
15
1
4
1
1
8
11.
15
1
10
20
9
12
8
9
2
18
8
13
12
12
18
15
16
13
16​

Answer 1

Answer:

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Answer 2

Answer:

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