Solving Script
Hell 15

Hidden single 4 in row 3  (r3c6=4)
   r3c6<>3
   r3c6<>6
   r3c6<>7
   r4c6<>4
   r5c6<>4
Hidden single 2 in row 4  (r4c7=2)
   r1c7<>2
   r3c7<>2
   r4c7<>3
   r4c7<>8
   r4c7<>9
   r5c8<>2
Hidden single 2 in row 3  (r3c8=2)
   r1c8<>2
   r3c8<>3
   r3c8<>8
Hidden single 2 in row 1  (r1c5=2)
   r1c5<>3
   r1c5<>5
   r1c5<>6
   r8c5<>2
   r9c5<>2
Hidden single 5 in row 6  (r6c5=5)
   r2c5<>5
   r6c5<>3
   r6c5<>6
   r6c5<>8
Hidden single 2 in row 8  (r8c2=2)
   r5c2<>2
   r8c2<>1
   r8c2<>3
   r8c2<>6
   r8c2<>7
   r9c1<>2
   r9c2<>2
Hidden single 2 in row 5  (r5c1=2)
   r5c1<>3
   r5c1<>4
   r5c1<>6
Hidden single 1 in row 8  (r8c3=1)
   r1c3<>1
   r8c3<>3
   r8c3<>6
   r8c3<>7
   r8c3<>9
Hidden single 2 in row 9  (r9c4=2)
   r9c4<>3
   r9c4<>7
Hidden single 5 in row 9  (r9c3=5)
   r7c3<>5
   r9c3<>3
   r9c3<>4
   r9c3<>7
   r9c3<>9
Hidden single 5 in row 7  (r7c8=5)
   r1c8<>5
   r2c8<>5
   r7c8<>3
   r7c8<>8
   r7c8<>9
Hidden single 5 in row 2  (r2c6=5)
   r1c6<>5
   r2c6<>3
   r2c6<>6
   r2c6<>7
Hidden single 5 in row 1  (r1c9=5)
   r1c9<>1
   r1c9<>3
   r1c9<>9
Hidden single 1 in row 1  (r1c7=1)
   r1c7<>3
   r1c7<>6
   r1c7<>9
   r2c7<>1
   r6c7<>1
Hidden single 1 in row 2  (r2c2=1)
   r2c2<>3
   r2c2<>6
   r2c2<>8
Hidden single 8 in row 7  (r7c7=8)
   r2c7<>8
   r3c7<>8
   r6c7<>8
   r7c7<>3
   r7c7<>7
   r7c7<>9
Hidden single 8 in row 2  (r2c8=8)
   r2c8<>3
   r2c8<>9
   r3c9<>8
   r5c8<>8
Hidden single 4 in row 9  (r9c1=4)
   r6c1<>4
   r9c1<>3
   r9c1<>9
Hidden single 4 in col 8  (r5c8=4)
   r5c3<>4
   r5c4<>4
   r5c8<>3
   r5c8<>9
Naked single 3 row 6 column 7  (r6c7=3)
   r2c7<>3
   r3c7<>3
   r4c9<>3
   r5c9<>3
   r6c1<>3
   r6c3<>3
   r6c4<>3
   r6c9<>3
   r9c7<>3
Naked single 6 row 6 column 1  (r6c1=6)
   r2c1<>6
   r5c2<>6
   r5c3<>6
   r6c3<>6
   r6c4<>6
   r7c1<>6
Naked Triplets 189 in column 9
   r8c9<>9
Locked candidate (7) in box 2
   r2c7<>7
Locked candidate (6) in box 7
   r7c4<>6
Locked candidate (3) in box 9
   r8c5<>3
   r8c6<>3
XY Wing 16 - 27 num = 6
   r2c4<>6
   r2c5<>6
Hidden single 6 in row 2  (r2c7=6)
   r2c7<>9
   r3c7<>6
Hidden single 9 in row 2  (r2c1=9)
   r1c3<>9
   r2c1<>3
   r7c1<>9
Hidden single 9 in row 1  (r1c8=9)
   r1c8<>3
   r8c8<>9
Hidden single 9 in row 7  (r7c3=9)
   r7c3<>3
   r7c3<>6
   r7c3<>7
Hidden single 6 in row 7  (r7c2=6)
   r3c2<>6
   r7c2<>3
   r7c2<>7
Hidden single 6 in row 3  (r3c3=6)
   r1c3<>6
   r3c3<>3
   r3c3<>8
Hidden single 6 in row 1  (r1c6=6)
   r1c6<>3
   r5c6<>6
   r8c6<>6
Hidden single 3 in row 1  (r1c3=3)
   r3c2<>3
   r4c3<>3
   r5c3<>3
Hidden single 3 in row 3  (r3c9=3)
   r3c9<>7
   r8c9<>3
Hidden single 7 in row 3  (r3c7=7)
   r9c7<>7
Hidden single 8 in row 3  (r3c2=8)
   r5c2<>8
Hidden single 7 in row 7  (r7c4=7)
   r2c4<>7
   r4c4<>7
   r5c4<>7
   r7c4<>3
   r8c5<>7
   r8c6<>7
   r9c5<>7
Hidden single 7 in row 2  (r2c5=7)
   r2c5<>3
   r4c5<>7
   r5c5<>7
Hidden single 3 in row 2  (r2c4=3)
   r4c4<>3
   r5c4<>3
Hidden single 3 in row 7  (r7c1=3)
   r9c2<>3
Hidden single 3 in row 8  (r8c8=3)
Hidden single 6 in row 8  (r8c5=6)
   r5c5<>6
   r8c5<>9
Hidden single 6 in row 5  (r5c4=6)
   r5c4<>1
Hidden single 1 in row 5  (r5c9=1)
   r5c9<>8
   r5c9<>9
   r6c9<>1
Hidden single 1 in row 6  (r6c4=1)
   r6c4<>4
Hidden single 4 in row 6  (r6c3=4)
   r4c3<>4
   r6c3<>8
Hidden single 4 in row 4  (r4c4=4)
Hidden single 8 in row 6  (r6c9=8)
   r4c9<>8
Hidden single 7 in row 8  (r8c9=7)
Hidden single 9 in row 8  (r8c6=9)
   r4c6<>9
   r5c6<>9
   r9c5<>9
Hidden single 9 in row 5  (r5c5=9)
   r4c5<>9
   r5c5<>3
   r5c5<>8
Hidden single 9 in row 4  (r4c9=9)
Hidden single 8 in row 5  (r5c3=8)
   r4c3<>8
   r5c3<>7
Hidden single 8 in row 4  (r4c5=8)
   r4c5<>3
Hidden single 3 in row 4  (r4c6=3)
   r4c6<>7
   r5c6<>3
Hidden single 7 in row 4  (r4c3=7)
   r5c2<>7
Hidden single 3 in row 5  (r5c2=3)
Hidden single 7 in row 5  (r5c6=7)
Hidden single 3 in row 9  (r9c5=3)
Hidden single 7 in row 9  (r9c2=7)
Hidden single 9 in row 9  (r9c7=9)

Done!