Please help me. This sudoku is untouched.
8.. ... 6..
.29 67. .1.
... .14 .5.
6.. 391 5.2
.51 ... 9..
9.2 ..6 ...
.6. 43. ...
.9. .87 16.
..7 ... ..3
81 [45] [259] [25] [235] 6 [23479] [479]
[45] 2967 [358] [348] 1 [48]
[37] [37] 6 [289] 14 [28] 5 [89]
6 [478] [48] 3915 [478] 2
[37] 51 [278] [24] [28] 9 [3478] 6
9 [3478] 2 [578] [45] 6 [3478] [3478] 1
16 [58] 43 [259] [278] [2789] [5789]
[245] 93 [25] 8716 [45]
[245] [48] 716 [259] [248] [2489] 3