Solving Script
Hell 37

Hidden single 7 in row 3  (r3c1=7)
   r3c1<>1
   r3c1<>3
   r3c1<>4
   r3c1<>8
Hidden single 6 in row 6  (r6c6=6)
   r1c6<>6
   r3c6<>6
   r6c6<>3
   r6c6<>5
Hidden single 9 in row 8  (r8c5=9)
   r4c5<>9
   r5c5<>9
   r6c5<>9
   r8c5<>1
   r8c5<>3
   r8c5<>5
Hidden single 9 in row 6  (r6c2=9)
   r1c2<>9
   r4c2<>9
   r5c2<>9
   r5c3<>9
   r6c2<>5
Hidden single 9 in row 1  (r1c3=9)
   r1c3<>1
   r1c3<>5
Hidden single 9 in row 4  (r4c4=9)
   r4c4<>2
   r4c4<>5
   r5c4<>9
Hidden single 9 in row 5  (r5c7=9)
   r5c7<>1
   r5c7<>3
   r5c7<>4
   r5c7<>7
Hidden single 7 in col 2  (r7c2=7)
   r7c2<>1
   r7c2<>3
   r7c2<>8
   r7c7<>7
Hidden single 8 in row 7  (r7c9=8)
   r7c9<>1
   r7c9<>3
   r7c9<>4
   r9c9<>8
Hidden single 8 in row 9  (r9c3=8)
   r2c3<>8
   r3c3<>8
   r5c3<>8
   r9c3<>1
   r9c3<>2
Hidden single 2 in col 3  (r8c3=2)
   r8c1<>2
   r8c3<>1
   r8c7<>2
   r8c8<>2
Hidden single 2 in col 4  (r1c4=2)
   r1c4<>3
   r1c4<>5
   r1c4<>6
   r1c7<>2
   r2c5<>2
Hidden single 6 in row 1  (r1c2=6)
   r1c2<>1
   r1c2<>3
   r1c2<>5
   r2c2<>6
Hidden single 5 in row 1  (r1c6=5)
   r1c6<>1
   r1c6<>3
   r2c5<>5
   r5c6<>5
   r9c6<>5
Hidden single 4 in col 4  (r7c4=4)
   r7c4<>3
   r7c7<>4
Hidden single 6 in col 4  (r3c4=6)
   r3c4<>3
   r3c8<>6
Hidden single 7 in col 7  (r9c7=7)
   r9c7<>1
   r9c7<>2
   r9c7<>3
   r9c8<>7
Hidden single 2 in row 9  (r9c8=2)
   r2c8<>2
   r9c8<>1
   r9c8<>3
   r9c8<>5
Hidden single 2 in row 2  (r2c7=2)
   r2c7<>1
   r2c7<>3
   r2c7<>4
Hidden single 4 in col 7  (r8c7=4)
   r8c7<>1
   r8c7<>3
   r8c8<>4
   r8c9<>4
Hidden single 5 in box 8  (r9c4=5)
   r5c4<>5
   r9c4<>3
   r9c9<>5
Hidden single 3 in col 4  (r5c4=3)
   r5c5<>3
   r5c6<>3
   r5c8<>3
   r6c5<>3
Naked single 8 row 5 column 6  (r5c6=8)
   r3c6<>8
   r4c5<>8
   r5c2<>8
   r5c5<>8
Hidden single 8 in row 3  (r3c5=8)
   r2c5<>8
   r3c5<>1
   r3c5<>3
Naked double row 8 - 13
   r8c8<>1
   r8c8<>3
   r8c9<>1
   r8c9<>3
Naked double col 1 - 13
   r2c1<>1
   r2c1<>3
   r4c1<>1
X-wing of 4's  (r35 c38)
   r2c3<>4
   r2c8<>4
   r6c8<>4
XY Wing 68 - 99 num = 3
   r6c9<>3
Hidden single 3 in row 6  (r6c8=3)
   r2c8<>3
   r3c8<>3
   r6c8<>5
Hidden single 3 in row 3  (r3c6=3)
   r2c5<>3
   r3c6<>1
   r9c6<>3
Hidden single 3 in row 9  (r9c9=3)
   r2c9<>3
   r7c7<>3
   r9c9<>1
Hidden single 3 in row 2  (r2c2=3)
   r1c1<>3
   r2c2<>1
   r2c2<>5
   r2c2<>8
   r8c2<>3
Hidden single 3 in row 1  (r1c7=3)
   r1c7<>1
Hidden single 1 in row 1  (r1c1=1)
   r2c3<>1
   r3c3<>1
   r8c1<>1
Hidden single 5 in row 2  (r2c3=5)
   r5c3<>5
Hidden single 8 in row 2  (r2c1=8)
   r2c1<>4
   r4c1<>8
Hidden single 4 in row 2  (r2c9=4)
   r2c9<>1
   r2c9<>6
   r3c8<>4
   r6c9<>4
Hidden single 6 in row 2  (r2c8=6)
   r2c8<>1
   r8c8<>6
Hidden single 1 in row 2  (r2c5=1)
   r7c5<>1
Hidden single 1 in row 3  (r3c8=1)
   r4c8<>1
   r5c8<>1
Hidden single 4 in row 3  (r3c3=4)
   r5c3<>4
Hidden single 8 in row 4  (r4c2=8)
   r4c2<>1
   r4c2<>5
Hidden single 1 in row 4  (r4c9=1)
   r4c9<>5
Hidden single 4 in row 5  (r5c8=4)
   r5c8<>5
   r5c8<>7
Hidden single 7 in row 5  (r5c5=7)
   r4c5<>7
   r5c5<>5
Hidden single 7 in row 4  (r4c8=7)
   r4c8<>5
Hidden single 5 in row 4  (r4c5=5)
   r4c5<>2
   r6c5<>5
Hidden single 2 in row 4  (r4c1=2)
   r6c1<>2
Hidden single 5 in row 5  (r5c2=5)
   r5c2<>1
Hidden single 1 in row 5  (r5c3=1)
Hidden single 2 in row 6  (r6c5=2)
Hidden single 4 in row 6  (r6c1=4)
Hidden single 5 in row 6  (r6c9=5)
   r8c9<>5
Hidden single 1 in row 7  (r7c7=1)
Hidden single 3 in row 7  (r7c5=3)
Hidden single 1 in row 8  (r8c2=1)
Hidden single 3 in row 8  (r8c1=3)
Hidden single 5 in row 8  (r8c8=5)
Hidden single 6 in row 8  (r8c9=6)
Hidden single 1 in row 9  (r9c6=1)