Solving Script
Hell 43

Hidden single 4 in row 4  (r4c1=4)
   r1c1<>4
   r3c1<>4
   r4c1<>8
   r4c1<>9
   r9c1<>4
Hidden single 8 in row 4  (r4c6=8)
   r4c6<>7
   r4c6<>9
   r6c5<>8
   r7c6<>8
   r8c6<>8
Hidden single 7 in row 4  (r4c4=7)
   r4c4<>9
   r7c4<>7
   r8c4<>7
   r9c4<>7
Hidden single 9 in row 4  (r4c8=9)
   r1c8<>9
   r2c8<>9
   r3c8<>9
   r5c7<>9
   r5c9<>9
   r8c8<>9
   r9c8<>9
Hidden single 1 in row 5  (r5c4=1)
   r5c4<>5
   r5c4<>9
   r6c4<>1
   r6c5<>1
   r8c4<>1
Hidden single 5 in row 5  (r5c6=5)
   r3c6<>5
   r5c6<>6
   r5c6<>9
   r7c6<>5
   r8c6<>5
   r9c6<>5
Hidden single 6 in row 5  (r5c9=6)
   r1c9<>6
   r2c9<>6
   r5c9<>2
Hidden single 9 in row 5  (r5c2=9)
   r1c2<>9
   r2c2<>9
   r3c2<>9
   r5c2<>2
   r6c1<>9
   r6c2<>9
   r6c3<>9
   r8c2<>9
Hidden single 2 in row 5  (r5c7=2)
   r1c7<>2
   r3c7<>2
Hidden single 6 in row 6  (r6c5=6)
   r6c5<>9
   r8c5<>6
Hidden single 9 in row 6  (r6c4=9)
   r1c4<>9
   r7c4<>9
   r8c4<>9
   r9c4<>9
Hidden single 1 in row 8  (r8c5=1)
   r8c5<>5
   r8c5<>8
   r8c5<>9
Hidden single 6 in row 8  (r8c6=6)
   r8c6<>2
   r8c6<>7
   r8c6<>9
Hidden single 8 in col 5  (r7c5=8)
   r7c5<>3
   r7c5<>5
   r7c5<>9
   r7c7<>8
   r7c9<>8
Naked single 2 row 6 column 2  (r6c2=2)
   r6c3<>2
   r8c2<>2
Naked Triplets 479 in row 7
   r7c4<>4
   r7c7<>7
   r7c7<>9
Naked Triplets 345 in box 9
   r7c9<>4
   r8c7<>5
   r8c9<>4
Hidden single 4 in row 7  (r7c3=4)
   r1c3<>4
   r3c3<>4
   r7c3<>7
   r7c3<>9
   r8c2<>4
   r8c3<>4
   r9c3<>4
Naked double col 9 - 79
   r1c9<>7
   r1c9<>9
   r3c9<>9
   r8c9<>7
   r8c9<>9
Naked single 8 row 8 column 9  (r8c9=8)
   r1c9<>8
   r3c9<>8
   r8c7<>8
Naked double box 3 - 24
   r1c8<>4
   r3c8<>4
Hidden double row 2 - 16
   r2c3<>7
   r2c3<>9
   r2c8<>3
   r2c8<>5
XY Wing 87 - 91 num = 9
   r8c3<>9
Hidden single 9 in row 8  (r8c7=9)
   r1c7<>9
   r2c7<>9
   r3c7<>9
   r7c9<>9
   r8c7<>7
Hidden single 9 in row 7  (r7c6=9)
   r3c6<>9
   r7c6<>7
   r9c5<>9
   r9c6<>9
Hidden single 7 in row 7  (r7c9=7)
   r2c9<>7
Hidden single 7 in col 6  (r9c6=7)
   r9c3<>7
   r9c6<>2
Hidden single 2 in col 6  (r3c6=2)
   r1c4<>2
   r3c9<>2
Hidden single 2 in row 1  (r1c9=2)
   r1c9<>4
Hidden single 4 in row 1  (r1c2=4)
   r1c2<>3
   r1c2<>5
   r1c2<>7
   r3c2<>4
Hidden single 4 in row 3  (r3c9=4)
Hidden single 9 in col 9  (r2c9=9)
   r2c5<>9
Hidden single 9 in col 5  (r1c5=9)
   r1c1<>9
   r1c3<>9
   r1c5<>3
   r1c5<>5
Naked double col 4 - 35
   r8c4<>5
   r9c4<>3
   r9c4<>5
ER_Row1 = 7 Row2 = 2 col1 = 4 col2 = 7 digit = 3 target = 27 hinge = 24
   r2c7<>3
ER_Row1 = 9 Row2 = 1 col1 = 5 col2 = 8 digit = 3 target = 18 hinge = 15
   r1c8<>3
X-wing of 3's  (r17 c47)
   r3c7<>3
ER_Row1 = 7 Row2 = 2 col1 = 4 col2 = 7 digit = 5 target = 27 hinge = 24
   r2c7<>5
Naked single 7 row 2 column 7  (r2c7=7)
   r1c7<>7
   r2c2<>7
Hidden single 7 in row 1  (r1c3=7)
   r1c3<>6
   r1c3<>8
   r8c3<>7
Hidden single 6 in row 1  (r1c8=6)
   r1c8<>5
   r2c8<>6
Hidden single 6 in row 2  (r2c3=6)
   r2c3<>1
Hidden single 1 in row 2  (r2c8=1)
   r3c8<>1
Hidden single 7 in row 8  (r8c2=7)
   r8c2<>5
Hidden single 5 in row 8  (r8c8=5)
   r3c8<>5
   r7c7<>5
   r8c8<>4
   r9c8<>5
Hidden single 5 in row 7  (r7c4=5)
   r1c4<>5
   r7c4<>3
   r9c5<>5
Hidden single 3 in row 7  (r7c7=3)
   r1c7<>3
   r9c8<>3
Hidden single 3 in row 1  (r1c4=3)
   r2c5<>3
Hidden single 3 in row 2  (r2c2=3)
   r2c2<>5
   r3c2<>3
Hidden single 5 in row 2  (r2c5=5)
Hidden single 3 in row 3  (r3c8=3)
Hidden single 4 in row 8  (r8c4=4)
   r8c4<>2
   r9c4<>4
Hidden single 2 in row 8  (r8c3=2)
   r9c3<>2
Hidden single 2 in row 9  (r9c4=2)
Hidden single 3 in row 9  (r9c5=3)
Hidden single 4 in row 9  (r9c8=4)
Hidden single 5 in row 9  (r9c1=5)
   r1c1<>5
   r3c1<>5
   r9c1<>9
Hidden single 5 in row 1  (r1c7=5)
   r1c7<>8
   r3c7<>5
Hidden single 8 in row 1  (r1c1=8)
   r3c1<>8
   r3c3<>8
   r6c1<>8
Hidden single 5 in row 3  (r3c2=5)
Hidden single 8 in row 3  (r3c7=8)
Hidden single 8 in row 6  (r6c3=8)
   r6c3<>1
Hidden single 1 in row 6  (r6c1=1)
   r3c1<>1
Hidden single 1 in row 3  (r3c3=1)
   r3c3<>9
Hidden single 9 in row 3  (r3c1=9)
Hidden single 9 in row 9  (r9c3=9)