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- Code: Select all
Resolution state after Singles and whips[1]:
+----------------------+----------------------+----------------------+
! 14 2 3 ! 7 5 9 ! 148 148 6 !
! 8 7 14 ! 2 6 134 ! 5 9 134 !
! 9 1456 1456 ! 138 138 1348 ! 7 2 134 !
+----------------------+----------------------+----------------------+
! 126 156 12568 ! 1358 4 1358 ! 9 7 158 !
! 3 145 7 ! 158 9 6 ! 148 1458 2 !
! 14 1459 14589 ! 158 2 7 ! 13468 134568 1458 !
+----------------------+----------------------+----------------------+
! 5 1369 1269 ! 4 7 138 ! 12368 1368 189 !
! 1467 13469 1469 ! 135689 138 2 ! 13468 134568 145789 !
! 12467 8 12469 ! 13569 13 135 ! 12346 13456 14579 !
+----------------------+----------------------+----------------------+
simplest-first solution, hardest pattern = Naked Tripletsnaked-pairs-in-a-column: c1{r1 r6}{n1 n4} ==> r9c1 ≠ 4, r9c1 ≠ 1, r8c1 ≠ 4, r8c1 ≠ 1, r4c1 ≠ 1
naked-pairs-in-a-block: b1{r1c1 r2c3}{n1 n4} ==> r3c3 ≠ 4, r3c3 ≠ 1, r3c2 ≠ 4, r3c2 ≠ 1
hidden-pairs-in-a-column: c4{n6 n9}{r8 r9} ==> r9c4 ≠ 5, r9c4 ≠ 3, r9c4 ≠ 1, r8c4 ≠ 8, r8c4 ≠ 5, r8c4 ≠ 3, r8c4 ≠ 1
hidden-single-in-a-block ==> r9c6 = 5
hidden-pairs-in-a-row: r6{n3 n6}{c7 c8} ==> r6c8 ≠ 8, r6c8 ≠ 5, r6c8 ≠ 4, r6c8 ≠ 1, r6c7 ≠ 8, r6c7 ≠ 4, r6c7 ≠ 1
whip[2]: c1n1{r6 r1} - b3n1{r1c7 .} ==> r6c9 ≠ 1
whip[2]: c1n4{r6 r1} - b3n4{r1c7 .} ==> r6c9 ≠ 4
whip[1]: r6n4{c3 .} ==> r5c2 ≠ 4
naked-triplets-in-a-column: c2{r3 r4 r5}{n5 n6 n1} ==> r8c2 ≠ 6, r8c2 ≠ 1, r7c2 ≠ 6, r7c2 ≠ 1, r6c2 ≠ 5, r6c2 ≠ 1
w1-tte
There's no real 1-step solution.