Sudoku four Palace

Sudoku four Palace

1 982741635
2 671359248
3 543826197
4 428537961
5 756912384
6 139468752
7 295183476
8 314675829
9 867294513

The number of the 81 squares is in a single row, with 1-9 numbers in each column
Nine squares are not required, as long as the rows and columns do not appear repeated 1 ~ 9
7 * * * * * 9 * 3
* 3 * 2 5 * 1 * *
* 5 * 7 * * * 8 *
* * * 4 * * * 2 9
* * 4 * 2 * 3 * *
9 7 * * * 8 * * *
* 6 * * * 9 * 4 *
* * 7 * 8 2 * 9 *
2 * 8 * * * * * 7

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