Solving Script
Hell 35

Hidden single 2 in row 4  (r4c8=2)
   r4c8<>1
   r4c8<>4
   r4c8<>5
   r4c8<>7
   r4c8<>8
Hidden single 2 in row 7  (r7c5=2)
   r2c5<>2
   r3c5<>2
   r7c5<>3
   r7c5<>4
   r7c5<>5
   r7c5<>7
Hidden single 2 in row 2  (r2c1=2)
   r2c1<>4
   r2c1<>7
   r3c1<>2
Hidden single 2 in row 3  (r3c4=2)
   r3c4<>5
   r3c4<>7
Hidden single 8 in row 9  (r9c2=8)
   r1c2<>8
   r3c2<>8
   r9c2<>3
   r9c2<>5
   r9c2<>6
   r9c2<>7
Hidden single 8 in row 1  (r1c5=8)
   r1c5<>3
   r1c5<>5
   r1c5<>7
   r3c5<>8
   r4c5<>8
   r5c5<>8
Hidden single 8 in row 3  (r3c3=8)
   r3c3<>3
   r3c3<>6
   r3c3<>7
   r3c3<>9
Hidden single 8 in row 4  (r4c6=8)
   r4c6<>5
   r4c6<>7
   r5c6<>8
Hidden single 8 in row 5  (r5c8=8)
   r5c8<>1
   r5c8<>4
   r5c8<>5
   r5c8<>6
   r5c8<>7
Hidden single 6 in col 3  (r7c3=6)
   r7c2<>6
   r7c3<>3
   r7c3<>7
   r7c8<>6
   r7c9<>6
Hidden single 3 in col 3  (r5c3=3)
   r5c1<>3
   r5c3<>7
   r5c3<>9
Hidden single 9 in row 5  (r5c5=9)
   r5c5<>1
   r5c5<>4
   r5c5<>5
   r5c5<>6
   r5c5<>7
   r6c5<>9
Hidden single 9 in col 3  (r6c3=9)
   r6c2<>9
   r6c3<>7
Hidden single 7 in col 3  (r4c3=7)
   r4c2<>7
   r4c5<>7
   r4c7<>7
   r5c1<>7
   r6c2<>7
Hidden single 6 in col 5  (r6c5=6)
   r6c5<>1
   r6c5<>4
   r6c5<>5
   r6c5<>7
   r6c7<>6
   r6c8<>6
Hidden single 1 in col 5  (r4c5=1)
   r4c2<>1
   r4c5<>4
   r4c5<>5
Hidden single 4 in col 5  (r9c5=4)
   r9c5<>3
   r9c5<>5
   r9c5<>7
   r9c8<>4
   r9c9<>4
Hidden single 3 in box 2  (r3c5=3)
   r3c1<>3
   r3c2<>3
   r3c5<>5
   r3c5<>7
   r8c5<>3
Hidden single 5 in col 5  (r8c5=5)
   r7c6<>5
   r8c2<>5
   r8c5<>7
   r8c8<>5
   r9c6<>5
Hidden single 7 in col 5  (r2c5=7)
   r1c4<>7
   r2c2<>7
   r2c8<>7
Hidden single 5 in col 6  (r5c6=5)
   r5c1<>5
   r5c4<>5
   r5c6<>7
   r5c7<>5
   r5c9<>5
   r6c4<>5
Hidden single 5 in col 4  (r1c4=5)
   r1c8<>5
   r1c9<>5
Naked single 7 row 3 column 1  (r3c1=7)
   r1c1<>7
   r1c2<>7
   r3c2<>7
   r3c7<>7
   r3c8<>7
   r3c9<>7
   r7c1<>7
   r9c1<>7
Locked candidate (5) in box 4
   r7c2<>5
Locked candidate (4) in column 7
   r5c9<>4
   r6c8<>4
Locked candidate (7) in col 7
   r5c9<>7
   r6c8<>7
UR4-------- 54 67 slash 4 pair = 47 
   r5c7<>4
   r6c7<>4
Hidden single 4 in col 7  (r4c7=4)
   r4c2<>4
   r4c7<>5
Hidden single 5 in row 4  (r4c2=5)
   r6c2<>5
XYZ WING 39-37-59-00-6
   r1c9<>6
W Wing: twin 37 r1c1 76 r2c2 88 Link1 72 Link2 82 digit 7 remove 3
   r7c8<>3
XY-Chain 22 51 digit = 4
   r1c1<>4
   r6c2<>4
Hidden single 4 in row 6  (r6c4=4)
   r5c4<>4
   r6c4<>7
Hidden single 4 in row 5  (r5c1=4)
   r5c1<>1
Hidden single 1 in row 5  (r5c9=1)
   r3c9<>1
   r5c9<>6
   r6c8<>1
Hidden single 1 in row 3  (r3c8=1)
   r3c8<>5
   r3c8<>6
   r3c8<>9
Hidden single 9 in row 3  (r3c2=9)
   r2c2<>9
   r3c2<>6
Hidden single 9 in row 2  (r2c8=9)
   r2c8<>4
Hidden single 4 in row 2  (r2c2=4)
   r1c2<>4
Hidden single 6 in row 5  (r5c7=6)
   r3c7<>6
   r5c7<>7
Hidden single 6 in row 3  (r3c9=6)
   r1c8<>6
   r3c9<>5
   r9c9<>6
Hidden single 6 in row 1  (r1c2=6)
   r1c2<>3
Hidden single 3 in row 1  (r1c1=3)
   r7c1<>3
   r9c1<>3
Hidden single 5 in row 3  (r3c7=5)
   r6c7<>5
Hidden single 7 in row 5  (r5c4=7)
Hidden single 1 in row 6  (r6c2=1)
   r7c2<>1
Hidden single 5 in row 6  (r6c8=5)
   r7c8<>5
   r9c8<>5
Hidden single 7 in row 6  (r6c7=7)
Hidden single 1 in row 7  (r7c1=1)
   r7c1<>5
Hidden single 5 in row 7  (r7c9=5)
   r7c9<>4
   r7c9<>7
   r9c9<>5
Hidden single 4 in row 7  (r7c8=4)
   r1c8<>4
   r7c8<>7
Hidden single 4 in row 1  (r1c9=4)
   r1c9<>7
Hidden single 7 in row 1  (r1c8=7)
   r8c8<>7
   r9c8<>7
Hidden single 7 in row 8  (r8c2=7)
   r7c2<>7
   r8c2<>3
Hidden single 7 in row 7  (r7c6=7)
   r7c6<>3
   r9c6<>7
Hidden single 3 in row 7  (r7c2=3)
Hidden single 3 in row 8  (r8c8=3)
   r9c8<>3
Hidden single 3 in row 9  (r9c6=3)
Hidden single 5 in row 9  (r9c1=5)
Hidden single 6 in row 9  (r9c8=6)
Hidden single 7 in row 9  (r9c9=7)