Su Doku
Hard 7 - Answer

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

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