.
Maybe because it has nothing worth noticing.
And W6 is not that extreme. If you're interested in really extreme T&E(1) puzzles, I can provide hundreds of thousands of them with a much higher W or B rating (B ≥ 12).
I didn't even try to reduce the number of steps.
- Code: Select all
Resolution state after Singles and whips[1]:
+-------------------+-------------------+-------------------+
! 178 189 789 ! 14579 2 1459 ! 6 3 45 !
! 2367 2369 2679 ! 34579 3457 8 ! 247 257 1 !
! 1237 4 5 ! 6 137 13 ! 8 27 9 !
+-------------------+-------------------+-------------------+
! 4 389 89 ! 1379 1378 6 ! 5 19 2 !
! 236 7 269 ! 13459 1345 13459 ! 134 8 346 !
! 5 3689 1 ! 2 348 349 ! 34 69 7 !
+-------------------+-------------------+-------------------+
! 1268 1268 3 ! 15 156 7 ! 9 4 568 !
! 9 16 67 ! 8 13456 12345 ! 1237 12567 356 !
! 1678 5 4 ! 13 9 123 ! 1237 1267 368 !
+-------------------+-------------------+-------------------+
175 candidates.
finned-x-wing-in-columns: n4{c9 c4}{r5 r1} ==> r1c6≠4
biv-chain[3]: r4c3{n8 n9} - b6n9{r4c8 r6c8} - r6n6{c8 c2} ==> r6c2≠8
hidden-single-in-a-row ==> r6c5=8
biv-chain[4]: r8c2{n1 n6} - r6n6{c2 c8} - b6n9{r6c8 r4c8} - b6n1{r4c8 r5c7} ==> r8c7≠1
z-chain[4]: r9c4{n3 n1} - c7n1{r9 r5} - r4n1{c8 c5} - r4n7{c5 .} ==> r4c4≠3
z-chain[4]: r9n8{c1 c9} - r9n6{c9 c8} - r6n6{c8 c2} - r8c2{n6 .} ==> r9c1≠1
t-whip[4]: r6n6{c2 c8} - c8n9{r6 r4} - r4c3{n9 n8} - r4c2{n8 .} ==> r6c2≠3
naked-pairs-in-a-row: r6{c2 c8}{n6 n9} ==> r6c6≠9
t-whip[5]: r9c4{n3 n1} - b9n1{r9c8 r8c8} - r8c2{n1 n6} - r6n6{c2 c8} - r9n6{c8 .} ==> r9c9≠3
finned-x-wing-in-rows: n3{r6 r9}{c7 c6} ==> r8c6≠3
whip[5]: b3n7{r2c8 r3c8} - r3n2{c8 c1} - b1n3{r3c1 r2c2} - r4n3{c2 c5} - c5n7{r4 .} ==> r2c1≠7
z-chain[6]: r3c6{n1 n3} - r6c6{n3 n4} - c4n4{r5 r2} - b2n9{r2c4 r1c6} - r1n5{c6 c9} - r1n4{c9 .} ==> r1c4≠1
z-chain[6]: r8c2{n1 n6} - r6c2{n6 n9} - r4c3{n9 n8} - c2n8{r4 r7} - r7n2{c2 c1} - c1n1{r7 .} ==> r1c2≠1
whip[1]: c2n1{r8 .} ==> r7c1≠1
t-whip[4]: r1c2{n8 n9} - c6n9{r1 r5} - c3n9{r5 r4} - c3n8{r4 .} ==> r1c1≠8
whip[1]: c1n8{r9 .} ==> r7c2≠8
t-whip[5]: r3n2{c8 c1} - c1n1{r3 r1} - c1n7{r1 r9} - r9n8{c1 c9} - r9n6{c9 .} ==> r9c8≠2
t-whip[6]: r1n5{c6 c9} - c9n4{r1 r5} - r6n4{c7 c6} - r8n4{c6 c5} - c5n6{r8 r7} - r7n5{c5 .} ==> r2c4≠5
t-whip[6]: r4n1{c5 c8} - c8n9{r4 r6} - b6n6{r6c8 r5c9} - r9c9{n6 n8} - r7c9{n8 n5} - r7c4{n5 .} ==> r5c4≠1
t-whip[6]: r9c4{n3 n1} - b9n1{r9c8 r8c8} - b7n1{r8c2 r7c2} - r7c4{n1 n5} - b9n5{r7c9 r8c9} - c9n3{r8 .} ==> r5c4≠3
whip[6]: c6n9{r1 r5} - c6n5{r5 r8} - c8n5{r8 r2} - r1n5{c9 c4} - r5c4{n5 n4} - c6n4{r5 .} ==> r1c6≠1
hidden-single-in-a-row ==> r1c1=1
biv-chain[4]: r4n3{c2 c5} - r4n7{c5 c4} - r1n7{c4 c3} - b1n8{r1c3 r1c2} ==> r4c2≠8
singles ==> r4c3=8, r1c2=8
t-whip[5]: c1n7{r9 r3} - r1n7{c3 c4} - r1n4{c4 c9} - b3n5{r1c9 r2c8} - r2n7{c8 .} ==> r9c7≠7
naked-triplets-in-a-row: r9{c4 c6 c7}{n1 n3 n2} ==> r9c8≠1
finned-x-wing-in-columns: n1{c8 c4}{r4 r8} ==> r8c6≠1, r8c5≠1
finned-swordfish-in-columns: n1{c8 c2 c4}{r4 r8 r7} ==> r7c5≠1
biv-chain[4]: c9n4{r1 r5} - b6n6{r5c9 r6c8} - r9c8{n6 n7} - c7n7{r8 r2} ==> r2c7≠4
singles ==> r1c9=4, r2c8=5
biv-chain[3]: c4n3{r9 r2} - c4n4{r2 r5} - r6c6{n4 n3} ==> r9c6≠3
biv-chain[4]: r3c6{n1 n3} - r6n3{c6 c7} - b6n4{r6c7 r5c7} - c7n1{r5 r9} ==> r9c6≠1
naked-single ==> r9c6=2
whip[1]: b8n1{r9c4 .} ==> r4c4≠1
hidden-pairs-in-a-column: c7{n2 n7}{r2 r8} ==> r8c7≠3
hidden-triplets-in-a-row: r8{n3 n4 n5}{c9 c5 c6} ==> r8c9≠6, r8c5≠6
hidden-single-in-a-block ==> r7c5=6
biv-chain[3]: c5n5{r5 r8} - r8c6{n5 n4} - r6c6{n4 n3} ==> r5c5≠3
biv-chain[3]: r1n7{c3 c4} - r4c4{n7 n9} - c6n9{r5 r1} ==> r1c3≠9
singles ==> r1c3=7, r8c3=6, r8c2=1, r7c2=2, r7c1=8, r7c9=5, r7c4=1, r9c4=3, r9c7=1, r8c9=3, r5c9=6, r6c8=9, r4c8=1, r6c2=6, r9c9=8, r9c1=7, r9c8=6, r2c1=6
whip[1]: r1n9{c6 .} ==> r2c4≠9
x-wing-in-rows: n3{r2 r4}{c2 c5} ==> r3c5≠3
biv-chain[3]: r2c4{n4 n7} - r4n7{c4 c5} - c5n3{r4 r2} ==> r2c5≠4
stte
by Mauriès Robert » Tue Mar 04, 2025 2:55 pm 
