Solving Script Hell 36 Hidden single 2 in row 4 (r4c9=2) r4c9<>5 r4c9<>7 r4c9<>9 r9c9<>2 Hidden single 6 in col 1 (r6c1=6) r5c2<>6 r6c1<>3 r6c1<>9 r6c2<>6 r6c4<>6 Hidden single 6 in row 5 (r5c5=6) r5c5<>3 r5c5<>9 r7c5<>6 Hidden single 7 in col 3 (r4c3=7) r4c2<>7 r4c3<>3 r4c3<>5 r4c3<>9 r4c8<>7 r6c2<>7 Hidden single 7 in col 2 (r7c2=7) r7c2<>1 r7c2<>2 r7c7<>7 r7c8<>7 Hidden single 7 in col 6 (r3c6=7) r3c6<>1 r3c6<>4 r3c6<>5 r3c6<>9 r3c8<>7 r3c9<>7 Hidden single 7 in col 8 (r6c8=7) r6c7<>7 r6c8<>3 r6c8<>4 r6c8<>8 r6c8<>9 r6c9<>7 Naked Triplets 348 in column 2 r2c2<>3 r2c2<>4 r3c2<>4 r4c1<>3 r5c3<>3 r5c3<>4 r8c2<>3 Locked candidate (2) in box 7 r8c4<>2 r8c7<>2 Locked candidate (6) in box 9 r2c8<>6 r3c8<>6 XY Wing 46 - 91 num = 3 r9c6<>3 ER_Row1 = 4 Row2 = 8 col1 = 1 col2 = 8 digit = 5 target = 88 hinge = 81 r8c8<>5 ER_Row1 = 4 Row2 = 1 col1 = 1 col2 = 4 digit = 9 target = 14 hinge = 44 r1c4<>9 Finned Fish 11 - 15 - 91 - 95 fin 25 - 3 row 1 r1c4<>3 Naked single 1 row 1 column 4 (r1c4=1) r1c1<>1 r1c7<>1 r1c9<>1 r2c4<>1 r2c6<>1 r3c4<>1 r7c4<>1 r8c4<>1 Hidden single 1 in col 1 (r7c1=1) r7c1<>5 r7c6<>1 r8c2<>1 Hidden single 1 in row 8 (r8c6=1) r8c6<>3 r8c6<>5 r8c6<>9 Naked single 2 row 8 column 2 (r8c2=2) r2c2<>2 r3c2<>2 r8c3<>2 Hidden double row 3 - 16 r3c9<>4 r3c9<>5 r3c9<>9 XY-Chain 64 87 digit = 9 r6c7<>9 r8c4<>9 Locked candidate (9) in box 8 r7c7<>9 r7c8<>9 x-chain 5 chain = 34 38 48 41 53 83 2 r8c4<>5 XY-Chain 64 41 digit = 9 r4c6<>9 Hidden single 9 in box 5 (r6c4=9) r2c4<>9 r3c4<>9 r6c4<>3 r6c9<>9 r7c4<>9 Hidden single 3 in row 6 (r6c2=3) r4c2<>3 r5c2<>3 r6c2<>4 r6c2<>8 Hidden single 3 in row 5 (r5c8=3) r4c8<>3 r5c8<>4 r5c8<>5 r5c8<>9 Hidden single 3 in row 4 (r4c6=3) r2c6<>3 Hidden single 8 in row 6 (r6c7=8) r1c7<>8 r2c7<>8 r4c8<>8 r6c7<>4 Hidden single 8 in row 1 (r1c5=8) r1c5<>3 r1c5<>4 r1c5<>9 r2c5<>8 Hidden single 8 in row 2 (r2c8=8) r2c8<>4 r2c8<>5 r2c8<>9 Hidden single 8 in row 4 (r4c2=8) Hidden single 4 in row 6 (r6c9=4) r1c9<>4 r2c9<>4 r5c7<>4 r5c9<>4 r9c9<>4 Hidden single 4 in row 5 (r5c2=4) Locked candidate (3) in box 2 r2c3<>3 XY Wing 19 - 87 num = 9 r1c7<>9 r2c7<>9 XY-Chain 19 11 digit = 9 r1c3<>9 ER_Row1 = 1 Row2 = 5 col1 = 1 col2 = 9 digit = 9 target = 59 hinge = 51 r5c9<>9 Locked candidate (9) in col 9 r3c8<>9 XY-Chain 38 17 digit = 4 r2c7<>4 Naked Triplets 159 in column 7 r7c7<>5 r9c7<>5 XY-Chain 39 22 digit = 6 r2c9<>6 r3c2<>6 Hidden single 6 in row 2 (r2c2=6) r2c2<>1 Hidden single 6 in row 3 (r3c9=6) r3c9<>1 Hidden single 1 in row 3 (r3c2=1) XY-Chain 87 38 digit = 5 r2c7<>5 r7c8<>5 Naked single 1 row 2 column 7 (r2c7=1) r2c9<>1 r5c7<>1 Hidden single 1 in row 5 (r5c9=1) r5c9<>5 Locked Candidate (5) in row 7 r9c6<>5 Naked single 4 row 9 column 6 (r9c6=4) r2c6<>4 r7c5<>4 r7c6<>4 r9c5<>4 r9c7<>4 Naked double row 2 - 59 r2c3<>9 r2c4<>5 r2c5<>9 XY-Chain 95 11 digit = 3 r9c1<>3 Hidden single 3 in row 9 (r9c5=3) r2c5<>3 r8c4<>3 r9c5<>2 Hidden single 3 in row 2 (r2c4=3) r2c4<>2 Hidden single 3 in row 8 (r8c3=3) r1c3<>3 r8c3<>5 Hidden single 3 in row 1 (r1c1=3) r1c1<>9 Hidden single 9 in row 1 (r1c9=9) r1c9<>7 r2c9<>9 Hidden single 7 in row 1 (r1c7=7) r1c7<>4 r9c7<>7 Hidden single 4 in row 1 (r1c3=4) r2c3<>4 r3c3<>4 Hidden single 4 in row 2 (r2c5=4) r2c5<>2 r3c5<>4 Hidden single 2 in row 2 (r2c3=2) r3c3<>2 Hidden single 9 in row 2 (r2c6=9) r2c6<>5 r3c5<>9 r7c6<>9 Hidden single 5 in row 2 (r2c9=5) r3c8<>5 r9c9<>5 Hidden single 4 in row 3 (r3c8=4) r7c8<>4 Hidden single 5 in row 3 (r3c4=5) r3c4<>2 r7c4<>5 Hidden single 2 in row 3 (r3c5=2) r7c5<>2 Hidden single 9 in row 3 (r3c3=9) r5c3<>9 Hidden single 9 in row 5 (r5c7=9) r4c8<>9 r5c7<>5 r8c7<>9 Hidden single 9 in row 4 (r4c1=9) r4c1<>5 Hidden single 5 in row 4 (r4c8=5) Hidden single 5 in row 5 (r5c3=5) Hidden single 4 in row 7 (r7c7=4) r7c7<>2 Hidden single 2 in row 7 (r7c4=2) r7c4<>6 Hidden single 5 in row 7 (r7c6=5) Hidden single 6 in row 7 (r7c8=6) r8c8<>6 Hidden single 9 in row 7 (r7c5=9) Hidden single 5 in row 8 (r8c7=5) Hidden single 6 in row 8 (r8c4=6) Hidden single 9 in row 8 (r8c8=9) Hidden single 2 in row 9 (r9c7=2) Hidden single 5 in row 9 (r9c1=5) Hidden single 7 in row 9 (r9c9=7)