Solving Script Hell 26 Hidden single 5 in row 1 (r1c4=5) r1c4<>2 r1c4<>3 r1c4<>4 r1c4<>6 r1c4<>7 r4c4<>5 r6c4<>5 r8c4<>5 Hidden single 9 in row 3 (r3c2=9) r2c1<>9 r2c2<>9 r2c3<>9 r3c2<>4 r3c2<>8 r4c2<>9 r6c2<>9 r8c2<>9 r9c2<>9 Hidden single 8 in row 3 (r3c6=8) r2c6<>8 r3c6<>2 r3c6<>4 Hidden single 2 in row 3 (r3c4=2) r2c4<>2 r2c6<>2 r3c4<>4 r8c4<>2 Hidden single 4 in row 3 (r3c5=4) r2c4<>4 r2c5<>4 r2c6<>4 r5c5<>4 r7c5<>4 Hidden single 4 in row 5 (r5c1=4) r1c1<>4 r2c1<>4 r4c2<>4 r5c1<>1 r5c1<>2 r5c1<>3 Hidden single 1 in row 7 (r7c7=1) r4c7<>1 r5c7<>1 r7c7<>4 r7c7<>7 r7c7<>8 r7c7<>9 r8c7<>1 r8c9<>1 Hidden single 8 in row 7 (r7c8=8) r1c8<>8 r2c8<>8 r6c8<>8 r7c8<>4 r7c8<>9 r8c7<>8 r8c8<>8 r8c9<>8 Hidden single 8 in row 6 (r6c7=8) r1c7<>8 r6c7<>2 r6c7<>3 r6c7<>9 Hidden single 9 in row 7 (r7c4=9) r7c4<>4 r7c4<>7 r8c4<>9 Hidden single 4 in row 7 (r7c6=4) r4c6<>4 r7c6<>7 r9c6<>4 Hidden single 4 in row 4 (r4c4=4) r4c4<>3 r4c4<>6 r4c4<>7 Hidden single 7 in row 7 (r7c5=7) r2c5<>7 r8c4<>7 r8c5<>7 r8c6<>7 r9c6<>7 Hidden single 8 in row 8 (r8c2=8) r1c2<>8 r2c2<>8 r8c2<>1 r8c2<>7 Hidden single 1 in row 8 (r8c1=1) r2c1<>1 r8c1<>7 r8c1<>9 Hidden single 5 in col 3 (r9c3=5) r9c3<>9 r9c6<>5 Hidden single 5 in col 5 (r8c5=5) r8c5<>3 r8c5<>6 r8c6<>5 Hidden single 9 in box 7 (r9c1=9) r6c1<>9 r9c1<>7 r9c7<>9 r9c8<>9 r9c9<>9 Hidden single 7 in col 1 (r6c1=7) r4c2<>7 r6c1<>2 r6c1<>3 r6c2<>7 r6c4<>7 r6c6<>7 Hidden single 7 in row 4 (r4c6=7) r2c6<>7 r4c6<>3 r4c6<>5 r4c6<>6 Hidden single 5 in row 4 (r4c8=5) r4c8<>3 r4c8<>6 r4c8<>9 r6c8<>5 Hidden single 5 in row 6 (r6c6=5) r6c6<>3 r6c6<>6 Hidden single 7 in col 2 (r9c2=7) r9c7<>7 r9c9<>7 Hidden single 7 in col 4 (r2c4=7) r2c4<>3 r2c4<>6 r2c9<>7 Naked double row 2 - 36 r2c1<>3 r2c2<>3 r2c2<>6 r2c3<>6 Hidden single 3 in col 1 (r1c1=3) r1c1<>2 r1c2<>3 Hidden single 2 in col 1 (r2c1=2) r1c3<>2 r2c3<>2 r2c8<>2 r2c9<>2 Naked double row 6 - 36 r6c3<>6 r6c8<>3 r6c8<>6 Naked Triplets 239 in box 6 r4c9<>9 r5c9<>2 Naked double col 9 - 16 r8c9<>6 r9c9<>6 Naked single 2 row 9 column 9 (r9c9=2) r1c9<>2 r8c7<>2 r8c8<>2 r8c9<>2 r9c6<>2 r9c7<>2 r9c8<>2 Hidden single 2 in row 8 (r8c6=2) r8c6<>3 r8c6<>6 Naked Triplets 249 in column 8 r8c8<>9 r9c8<>4 Hidden single 4 in row 9 (r9c7=4) r1c7<>4 r9c7<>3 Naked double row 8 - 36 r8c7<>3 XYZ WING 42-49-62-00-6 r4c3<>6 XY-Chain 28 12 digit = 4 r1c8<>4 r2c2<>4 Hidden single 4 in row 1 (r1c2=4) r1c2<>6 Hidden single 6 in row 1 (r1c3=6) r1c3<>8 r5c3<>6 Hidden single 8 in row 1 (r1c9=8) r1c9<>7 r2c9<>8 Hidden single 7 in row 1 (r1c7=7) r1c7<>2 r8c7<>7 Hidden single 2 in row 1 (r1c8=2) r6c8<>2 Hidden single 4 in row 2 (r2c8=4) r2c8<>9 Hidden single 8 in row 2 (r2c3=8) r2c3<>1 Hidden single 1 in row 2 (r2c2=1) r4c2<>1 Hidden single 9 in row 2 (r2c9=9) r8c9<>9 Hidden single 2 in row 6 (r6c3=2) r5c3<>2 r6c3<>9 Hidden single 2 in row 5 (r5c7=2) r5c7<>3 Hidden single 3 in row 5 (r5c5=3) r2c5<>3 r5c5<>6 r6c4<>3 Hidden single 3 in row 2 (r2c6=3) r2c6<>6 r9c6<>3 Hidden single 6 in row 2 (r2c5=6) Hidden single 6 in row 5 (r5c9=6) r4c9<>6 r5c9<>1 Hidden single 6 in row 4 (r4c2=6) r4c2<>3 r6c2<>6 Hidden single 3 in row 4 (r4c7=3) r4c7<>9 Hidden single 9 in row 4 (r4c3=9) r4c3<>1 Hidden single 1 in row 4 (r4c9=1) Hidden single 1 in row 5 (r5c3=1) Hidden single 3 in row 6 (r6c2=3) Hidden single 6 in row 6 (r6c4=6) r8c4<>6 Hidden single 9 in row 6 (r6c8=9) Hidden single 6 in row 8 (r8c8=6) r8c8<>3 r9c8<>6 Hidden single 3 in row 8 (r8c4=3) Hidden single 7 in row 8 (r8c9=7) Hidden single 9 in row 8 (r8c7=9) Hidden single 3 in row 9 (r9c8=3) Hidden single 6 in row 9 (r9c6=6)