.
- Code: Select all
Resolution state after Singles and whips[1]:
+----------------------+----------------------+----------------------+
! 1238 2389 1238 ! 4 158 6 ! 7 2358 12389 !
! 4 5 123678 ! 178 18 9 ! 238 2368 1238 !
! 178 89 1678 ! 2 3 578 ! 4 568 189 !
+----------------------+----------------------+----------------------+
! 12389 6 1238 ! 1389 7 238 ! 238 4 5 !
! 12378 238 12378 ! 5 1248 2348 ! 6 9 238 !
! 2389 4 5 ! 3689 2689 238 ! 1 238 7 !
+----------------------+----------------------+----------------------+
! 238 7 4 ! 389 2589 1 ! 23589 238 6 !
! 5 238 9 ! 3678 268 2378 ! 238 1 4 !
! 6 1 238 ! 389 24589 23458 ! 23589 7 238 !
+----------------------+----------------------+----------------------+
184 candidates.
hidden-pairs-in-a-column: c7{n5 n9}{r7 r9} ==> r9c7≠8, r9c7≠3, r9c7≠2, r7c7≠8, r7c7≠3, r7c7≠2
- Code: Select all
Trid-OR2-relation for digits 2, 3 and 8 in blocks:
b4, with cells (marked #): r4c3, r5c2, r6c1
b6, with cells (marked #): r4c7, r5c9, r6c8
b7, with cells (marked #): r9c3, r8c2, r7c1
b9, with cells (marked #): r9c9, r8c7, r7c8
with 2 guardians (in cells marked @): n1r4c3 n9r6c1
+----------------------+----------------------+----------------------+
! 1238 2389 1238 ! 4 158 6 ! 7 2358 12389 !
! 4 5 123678 ! 178 18 9 ! 238 2368 1238 !
! 178 89 1678 ! 2 3 578 ! 4 568 189 !
+----------------------+----------------------+----------------------+
! 12389 6 1238#@ ! 1389 7 238 ! 238# 4 5 !
! 12378 238# 12378 ! 5 1248 2348 ! 6 9 238# !
! 2389#@ 4 5 ! 3689 2689 238 ! 1 238# 7 !
+----------------------+----------------------+----------------------+
! 238# 7 4 ! 389 2589 1 ! 59 238# 6 !
! 5 238# 9 ! 3678 268 2378 ! 238# 1 4 !
! 6 1 238# ! 389 24589 23458 ! 59 7 238# !
+----------------------+----------------------+----------------------+
Trid-OR2-whip[2]: OR2{{n1r4c3 | n9r6c1}} - b5n9{r6c4 .} ==> r4c4≠1end in BC3