Solving Script
Hell 24

Hidden single 5 in row 4  (r4c8=5)
   r4c8<>2
   r4c8<>8
   r4c8<>9
Hidden single 3 in row 6  (r6c4=3)
   r3c4<>3
   r6c4<>2
   r6c4<>6
   r6c4<>8
   r6c4<>9
Hidden single 6 in row 6  (r6c9=6)
   r4c9<>6
   r6c9<>2
   r6c9<>7
   r6c9<>8
   r6c9<>9
Hidden single 6 in row 4  (r4c4=6)
   r2c4<>6
   r3c4<>6
   r4c4<>2
   r4c4<>8
   r4c4<>9
Hidden single 4 in row 8  (r8c9=4)
   r1c9<>4
   r2c9<>4
   r3c9<>4
   r8c9<>2
   r8c9<>3
   r8c9<>7
Hidden single 6 in row 8  (r8c1=6)
   r2c1<>6
   r8c1<>3
   r8c1<>5
   r8c1<>7
Hidden single 3 in row 8  (r8c8=3)
   r3c8<>3
   r7c8<>3
   r8c8<>2
   r8c8<>7
Hidden single 3 in row 7  (r7c1=3)
   r7c1<>1
   r7c1<>7
Hidden single 9 in col 2  (r6c2=9)
   r6c2<>1
   r6c2<>2
   r6c2<>7
   r6c6<>9
   r6c7<>9
Hidden single 4 in col 7  (r1c7=4)
   r1c1<>4
   r1c5<>4
   r1c6<>4
   r1c7<>7
   r1c7<>9
Hidden single 2 in col 8  (r9c8=2)
   r9c4<>2
   r9c5<>2
   r9c8<>7
   r9c8<>8
   r9c8<>9
   r9c9<>2
Naked single 7 row 3 column 8  (r3c8=7)
   r1c9<>7
   r2c8<>7
   r2c9<>7
   r3c2<>7
   r3c3<>7
   r3c4<>7
   r3c9<>7
   r7c8<>7
Naked single 5 row 3 column 4  (r3c4=5)
   r1c6<>5
   r3c3<>5
   r8c4<>5
   r9c4<>5
Hidden single 5 in row 1  (r1c1=5)
   r1c1<>2
   r1c1<>7
   r9c1<>5
Hidden single 5 in row 8  (r8c6=5)
   r8c6<>2
   r8c6<>7
Hidden single 7 in row 8  (r8c4=7)
   r2c4<>7
   r8c4<>2
   r9c4<>7
Hidden single 2 in row 8  (r8c5=2)
   r1c5<>2
   r2c5<>2
   r5c5<>2
Hidden single 5 in row 9  (r9c3=5)
   r9c3<>1
   r9c3<>7
Hidden single 7 in col 3  (r6c3=7)
   r5c1<>7
   r6c1<>7
   r6c3<>1
   r6c7<>7
Hidden single 7 in row 5  (r5c9=7)
   r5c9<>2
   r5c9<>8
   r5c9<>9
   r9c9<>7
Hidden single 7 in row 9  (r9c1=7)
   r2c1<>7
   r7c2<>7
   r9c1<>1
Hidden single 7 in row 7  (r7c7=7)
   r7c7<>8
   r7c7<>9
Hidden single 1 in row 9  (r9c5=1)
   r7c5<>1
   r9c5<>8
   r9c5<>9
Hidden single 1 in row 7  (r7c2=1)
   r2c2<>1
   r3c2<>1
Hidden single 9 in col 7  (r4c7=9)
   r4c6<>9
   r4c7<>8
   r4c9<>9
Hidden single 8 in col 7  (r6c7=8)
   r4c9<>8
   r6c1<>8
Hidden single 8 in row 4  (r4c1=8)
   r4c1<>1
   r4c1<>2
   r4c1<>4
   r5c1<>8
Hidden single 2 in col 9  (r4c9=2)
   r4c6<>2
Naked single 6 row 3 column 2  (r3c2=6)
   r2c2<>6
   r3c5<>6
Hidden single 6 in row 2  (r2c5=6)
   r2c5<>4
   r2c5<>9
Naked double row 1 - 39
   r1c6<>9
Naked double box 1 - 27
   r2c1<>2
unique 26 - 27
   r2c6<>2
   r2c6<>7
Hidden single 7 in row 2  (r2c2=7)
   r1c2<>7
   r2c2<>2
Hidden single 7 in row 1  (r1c6=7)
   r1c6<>2
Hidden single 2 in row 1  (r1c2=2)
Hidden single 2 in row 2  (r2c4=2)
   r2c4<>9
   r5c4<>2
ER_Row1 = 2 Row2 = 4 col1 = 1 col2 = 6 digit = 4 target = 46 hinge = 41
   r4c6<>4
Hidden single 4 in row 4  (r4c3=4)
   r3c3<>4
   r4c3<>1
   r5c1<>4
Hidden single 4 in row 3  (r3c5=4)
   r2c6<>4
   r3c5<>3
   r5c5<>4
Hidden single 4 in row 2  (r2c1=4)
   r2c1<>1
Hidden single 1 in row 2  (r2c9=1)
   r2c9<>8
   r2c9<>9
   r3c9<>1
Hidden single 8 in row 2  (r2c8=8)
   r2c8<>9
   r7c8<>8
Hidden single 9 in row 2  (r2c6=9)
   r1c5<>9
   r5c6<>9
Hidden single 9 in row 1  (r1c9=9)
   r1c9<>3
   r9c9<>9
Hidden single 3 in row 1  (r1c5=3)
Hidden single 1 in row 3  (r3c3=1)
Hidden single 3 in row 3  (r3c9=3)
Hidden single 1 in row 4  (r4c6=1)
   r6c6<>1
Hidden single 4 in row 5  (r5c6=4)
   r5c6<>2
Hidden single 2 in row 5  (r5c1=2)
   r6c1<>2
Hidden single 1 in row 6  (r6c1=1)
Hidden single 2 in row 6  (r6c6=2)
Hidden single 8 in row 7  (r7c5=8)
   r5c5<>8
   r7c5<>9
   r9c4<>8
Hidden single 8 in row 5  (r5c4=8)
   r5c4<>9
Hidden single 9 in row 5  (r5c5=9)
Hidden single 9 in row 7  (r7c8=9)
Hidden single 8 in row 9  (r9c9=8)
Hidden single 9 in row 9  (r9c4=9)