Solving Script
Hell 53

Hidden single 4 in row 6  (r6c5=4)
   r5c5<>4
   r6c5<>1
   r6c5<>2
   r6c5<>7
   r6c5<>9
Hidden single 1 in row 7  (r7c5=1)
   r4c5<>1
   r5c5<>1
   r7c5<>2
   r7c5<>3
   r7c5<>8
   r7c5<>9
Hidden single 5 in row 7  (r7c3=5)
   r7c3<>2
   r7c3<>8
Hidden single 9 in row 7  (r7c4=9)
   r1c4<>9
   r4c4<>9
   r5c4<>9
   r6c4<>9
   r7c4<>2
   r7c4<>3
   r7c4<>8
Hidden single 3 in row 7  (r7c7=3)
   r1c7<>3
   r3c7<>3
   r7c7<>2
   r7c7<>4
   r7c7<>8
   r9c7<>3
Hidden single 3 in row 9  (r9c5=3)
   r5c5<>3
   r9c5<>2
   r9c5<>7
   r9c5<>8
Hidden single 3 in row 5  (r5c4=3)
   r5c4<>2
   r5c4<>6
   r5c4<>7
   r5c4<>8
Hidden single 6 in col 4  (r4c4=6)
   r4c1<>6
   r4c3<>6
   r4c4<>2
   r4c4<>7
   r4c4<>8
   r4c5<>6
   r5c5<>6
Hidden single 8 in row 4  (r4c5=8)
   r4c5<>2
   r4c5<>7
   r4c5<>9
   r5c5<>8
   r8c5<>8
Hidden single 8 in col 4  (r8c4=8)
   r8c3<>8
   r8c4<>2
   r8c4<>7
   r8c8<>8
Hidden single 7 in row 8  (r8c5=7)
   r1c5<>7
   r2c5<>7
   r5c5<>7
   r8c5<>2
   r9c6<>7
Hidden single 8 in col 3  (r1c3=8)
   r1c3<>2
   r1c7<>8
   r1c8<>8
   r1c9<>8
   r2c2<>8
Hidden single 2 in box 8  (r9c6=2)
   r1c6<>2
   r4c6<>2
   r5c6<>2
   r6c6<>2
   r9c1<>2
   r9c2<>2
   r9c7<>2
   r9c8<>2
Naked single 2 row 2 column 2  (r2c2=2)
   r1c1<>2
   r2c5<>2
   r2c7<>2
   r2c8<>2
   r2c9<>2
   r3c1<>2
   r4c2<>2
   r5c2<>2
   r7c2<>2
Naked single 2 row 3 column 7  (r3c7=2)
   r1c7<>2
   r1c8<>2
   r1c9<>2
   r3c5<>2
   r3c8<>2
   r3c9<>2
   r5c7<>2
Naked double row 1 - 13
   r1c8<>1
Naked double col 1 - 13
   r4c1<>1
   r5c1<>1
Locked candidate (7) in box 2
   r1c7<>7
   r1c8<>7
Locked candidate (2) in box 9
   r5c8<>2
   r6c8<>2
Locked candidate (6) in box 9
   r2c8<>6
   r3c8<>6
Locked Candidate (2) in row 4
   r5c1<>2
   r5c3<>2
unique 39 - 13
   r3c9<>1
   r3c9<>3
Hidden single 3 in row 3  (r3c1=3)
   r1c1<>3
   r3c1<>1
Hidden single 3 in row 1  (r1c9=3)
   r1c9<>1
Hidden single 1 in row 1  (r1c1=1)
Hidden single 1 in row 3  (r3c8=1)
   r3c8<>5
   r5c8<>1
   r6c8<>1
Hidden single 5 in row 3  (r3c5=5)
   r1c5<>5
   r1c6<>5
   r3c5<>6
   r5c5<>5
Hidden single 5 in row 1  (r1c8=5)
   r1c8<>4
   r1c8<>9
Hidden single 4 in row 1  (r1c7=4)
   r1c7<>9
   r9c7<>4
Hidden single 6 in row 3  (r3c9=6)
   r2c9<>6
Hidden single 6 in row 2  (r2c5=6)
   r2c5<>9
Hidden single 5 in row 5  (r5c6=5)
   r5c6<>1
   r5c6<>7
   r5c6<>9
Naked single 8 row 2 column 9  (r2c9=8)
   r2c7<>8
   r2c8<>8
   r5c9<>8
Naked single 8 row 9 column 7  (r9c7=8)
   r5c7<>8
   r7c8<>8
   r9c2<>8
   r9c8<>8
Hidden single 8 in row 5  (r5c8=8)
   r5c8<>7
   r5c8<>9
Hidden single 8 in row 7  (r7c2=8)
   r7c2<>4
XY Wing 57 - 64 num = 7
   r6c8<>7
Hidden single 7 in col 8  (r2c8=7)
   r2c7<>7
   r2c8<>9
Hidden single 9 in row 2  (r2c7=9)
   r5c7<>9
Hidden single 7 in col 7  (r5c7=7)
   r5c1<>7
   r5c2<>7
Hidden single 9 in col 8  (r6c8=9)
   r6c6<>9
Locked candidate (7) in box 4
   r4c6<>7
XY Wing 41 - 92 num = 7
   r4c2<>7
   r9c1<>7
Hidden single 7 in row 4  (r4c1=7)
   r4c1<>2
Hidden single 2 in row 4  (r4c3=2)
   r4c3<>9
   r8c3<>2
Hidden single 9 in row 4  (r4c6=9)
   r1c6<>9
   r4c6<>1
   r5c5<>9
Hidden single 9 in row 1  (r1c5=9)
   r1c5<>2
Hidden single 2 in row 1  (r1c4=2)
   r1c4<>7
   r6c4<>2
Hidden single 7 in row 1  (r1c6=7)
   r6c6<>7
Hidden single 1 in row 4  (r4c2=1)
   r5c2<>1
Hidden single 1 in row 5  (r5c9=1)
   r5c9<>2
   r6c9<>1
Hidden single 2 in row 5  (r5c5=2)
Hidden single 9 in row 5  (r5c3=9)
   r5c3<>6
Hidden single 6 in row 5  (r5c1=6)
   r5c1<>4
   r9c1<>6
Hidden single 4 in row 5  (r5c2=4)
   r9c2<>4
Hidden single 1 in row 6  (r6c6=1)
Hidden single 2 in row 6  (r6c9=2)
Hidden single 7 in row 6  (r6c4=7)
Hidden single 2 in row 8  (r8c8=2)
   r7c8<>2
   r8c8<>6
Hidden single 2 in row 7  (r7c1=2)
   r7c1<>4
Hidden single 4 in row 7  (r7c8=4)
   r9c8<>4
Hidden single 6 in row 8  (r8c3=6)
Hidden single 4 in row 9  (r9c1=4)
Hidden single 6 in row 9  (r9c8=6)
Hidden single 7 in row 9  (r9c2=7)