Solving Script
Hell 48

Hidden single 3 in box 5  (r6c4=3)
   r6c4<>1
   r6c7<>3
   r6c8<>3
   r7c4<>3
   r8c4<>3
Naked single 4 row 4 column 1  (r4c1=4)
   r1c1<>4
   r2c1<>4
   r4c7<>4
   r4c8<>4
   r5c3<>4
Naked double col 8 - 36
   r2c8<>3
   r2c8<>6
   r6c8<>6
   r8c8<>6
Naked double col 8 - 29
   r5c8<>2
   r5c8<>9
   r6c8<>2
   r6c8<>9
   r8c8<>2
   r8c8<>9
Locked candidate (2) in row 3
   r2c1<>2
   r2c2<>2
   r2c3<>2
Locked candidate (9) in row 3
   r2c1<>9
   r2c2<>9
   r2c3<>9
Naked single 7 row 2 column 1  (r2c1=7)
   r1c1<>7
   r1c3<>7
   r2c3<>7
   r2c4<>7
   r2c5<>7
Hidden single 7 in row 1  (r1c5=7)
   r1c5<>4
   r1c5<>6
   r5c5<>7
   r7c5<>7
   r8c5<>7
   r9c5<>7
Hidden single 4 in row 1  (r1c3=4)
   r1c3<>3
   r1c3<>6
   r1c3<>8
   r2c3<>4
Hidden single 7 in box 5  (r5c6=7)
   r5c6<>1
   r5c6<>8
   r5c7<>7
   r5c9<>7
   r7c6<>7
   r8c6<>7
   r9c6<>7
Hidden single 8 in col 6  (r9c6=8)
   r9c5<>8
   r9c6<>1
Hidden single 1 in col 6  (r3c6=1)
   r2c4<>1
   r2c5<>1
   r3c2<>1
   r3c6<>6
Hidden single 1 in row 2  (r2c2=1)
   r2c2<>3
   r2c2<>6
   r2c2<>8
Hidden single 1 in col 4  (r9c4=1)
   r9c4<>7
   r9c4<>9
   r9c5<>1
Hidden single 7 in row 9  (r9c7=7)
   r4c7<>7
   r7c7<>7
   r7c9<>7
   r8c7<>7
   r9c7<>2
   r9c7<>9
Hidden single 7 in row 4  (r4c9=7)
   r4c9<>6
   r4c9<>8
Hidden single 9 in row 9  (r9c8=9)
   r2c8<>9
   r7c7<>9
   r7c9<>9
   r8c7<>9
   r9c8<>2
Hidden single 2 in row 9  (r9c5=2)
   r7c5<>2
   r8c5<>2
Hidden single 2 in col 8  (r2c8=2)
   r2c7<>2
   r2c9<>2
Hidden single 6 in box 2  (r2c5=6)
   r2c3<>6
   r2c5<>4
   r2c7<>6
   r2c9<>6
   r7c5<>6
   r8c5<>6
Hidden single 4 in row 2  (r2c4=4)
   r7c4<>4
   r8c4<>4
Naked single 5 row 1 column 1  (r1c1=5)
   r1c2<>5
   r6c1<>5
Hidden single 5 in col 2  (r5c2=5)
   r5c2<>2
   r5c2<>8
   r5c2<>9
   r5c8<>5
   r5c9<>5
Naked double row 8 - 45
   r8c7<>4
Naked Triplets 269 in box 1
   r1c2<>6
UR4-------- 74 83 slash 9 pair = 79 
   r7c3<>9
   r8c3<>9
Locked candidate (9) in box 7
   r3c2<>9
XY Wing 18 - 42 num = 6
   r4c8<>6
Hidden single 6 in col 8  (r1c8=6)
   r1c8<>3
   r1c9<>6
Hidden single 3 in row 1  (r1c2=3)
   r1c2<>8
   r2c3<>3
   r7c2<>3
   r8c2<>3
Hidden single 8 in row 1  (r1c9=8)
   r2c7<>8
   r2c9<>8
   r5c9<>8
   r6c9<>8
Hidden single 3 in row 2  (r2c7=3)
   r2c7<>9
   r4c7<>3
Hidden single 8 in row 2  (r2c3=8)
   r5c3<>8
   r6c3<>8
Hidden single 9 in row 2  (r2c9=9)
   r5c9<>9
   r6c9<>9
Hidden single 3 in row 4  (r4c8=3)
Hidden single 8 in col 2  (r4c2=8)
   r4c2<>6
   r4c7<>8
Hidden single 6 in row 4  (r4c7=6)
   r6c7<>6
   r6c9<>6
   r7c7<>6
   r8c7<>6
Hidden single 6 in row 6  (r6c3=6)
   r3c3<>6
   r6c3<>2
   r6c3<>9
Hidden single 6 in row 3  (r3c2=6)
   r3c2<>2
Hidden single 6 in row 8  (r8c6=6)
   r7c6<>6
   r8c6<>3
Hidden single 6 in row 7  (r7c9=6)
   r7c9<>2
   r7c9<>5
Hidden single 5 in row 7  (r7c5=5)
   r7c5<>4
   r8c5<>5
Hidden single 4 in row 7  (r7c7=4)
   r5c7<>4
   r7c7<>2
   r8c8<>4
Hidden single 4 in row 5  (r5c8=4)
   r5c8<>1
Hidden single 1 in row 5  (r5c5=1)
   r5c5<>8
   r6c5<>1
Hidden single 8 in row 5  (r5c7=8)
   r5c7<>2
   r5c7<>9
   r6c7<>8
Hidden single 9 in row 5  (r5c3=9)
   r3c3<>9
   r5c3<>2
   r6c1<>9
Hidden single 9 in row 3  (r3c1=9)
   r3c1<>2
Hidden single 2 in row 3  (r3c3=2)
   r7c3<>2
   r8c3<>2
Hidden single 2 in row 5  (r5c9=2)
   r6c7<>2
   r6c9<>2
Hidden single 1 in row 6  (r6c8=1)
   r6c8<>5
Hidden single 2 in row 6  (r6c1=2)
Hidden single 5 in row 6  (r6c9=5)
Hidden single 8 in row 6  (r6c5=8)
Hidden single 9 in row 6  (r6c7=9)
Hidden single 2 in row 7  (r7c2=2)
   r7c2<>9
   r8c2<>2
Hidden single 9 in row 7  (r7c4=9)
   r7c4<>7
   r8c4<>9
Hidden single 7 in row 7  (r7c3=7)
   r7c3<>3
   r8c3<>7
Hidden single 3 in row 7  (r7c6=3)
Hidden single 2 in row 8  (r8c7=2)
Hidden single 3 in row 8  (r8c3=3)
Hidden single 4 in row 8  (r8c5=4)
Hidden single 5 in row 8  (r8c8=5)
Hidden single 7 in row 8  (r8c4=7)
Hidden single 9 in row 8  (r8c2=9)