- Code: Select all
`+----------------------+----------------------+----------------------+`

| 2 568 19 | 7 568 68 | 13 4 39 |

| 17 56 3 | 245 9 246 | 1267 8 67 |

| 78 468 49 | 3 268 1 | 5 26 679 |

+----------------------+----------------------+----------------------+

| 6 38 157 | 1489 178 79 | 348 359 2 |

| 18 9 125 | 1248 3 2468 | 468 7 456 |

| 4 238 27 | 289 2678 5 | 368 369 1 |

+----------------------+----------------------+----------------------+

| 359 24 8 | 6 1257 79 | 2347 1235 3457 |

| 35 7 26 | 1258 4 28 | 9 12356 356 |

| 59 1 246 | 259 257 3 | 2467 256 8 |

+----------------------+----------------------+----------------------+

are these valid nice loop deductions?

[r2c7]=1=[r1c7]=3=[r1c9]=9=[r1c3](-9-[r3c1]=9=[r3c9])=1=[r2c1]=7=[r3c1]-7-[(r3c9)]-6-[r2c7] => r2c7<>6

[r2c7]=1=[r1c7]=3=[r1c9]=9=[r1c3](-9-[r3c1]=9=[r3c9])=1=[r2c1]=7=[r3c1]-7-[(r3c9)]-6-[r3c8]-2-[r2c7] => r2c7<>2

[r2c7]=1=[r1c7]=3=[r1c9]=9=[r1c3](-9-[r3c1]=9=[r3c9])=1=[r2c1]=7=[r3c1]-7-[(r3c9)]-6-[r2c9]-7-[r2c7] => r2c7<>7