The New Sudoku Players' Forum

by **Leren** » Mon Apr 13, 2020 9:27 pm

Code: Select all: *-----------* |3.9|6..|1.2| |862|1..|7.3| |.41|..2|8.6| |---+---+---| |6.7|42.|.81| |.13|...|42.| |428|5.1|.67| |---+---+---| |1.4|...|2.8| |..5|21.|6.4| |2.6|.47|.1.| *-----------* 3.96..1.28621..7.3.41..28.66.742..81.13...42.4285.1.671.4...2.8..521.6.42.6.47.1.

by **SteveG48** » Tue Apr 14, 2020 1:42 pm

Code: Select all: *------------------------------------------------------------* | 3 57 9 | 6 578 458 | 1 45 2 | | 8 6 2 | 1 59 459 | 7 459 3 | | 5-7 4 1 |a379 3579 2 | 8 59 6 | *--------------------+-------------------+-------------------| | 6 c59 7 | 4 2 b39 | 359 8 1 | | d59 1 3 | 78 678 68 | 4 2 59 | | 4 2 8 | 5 39 1 | 39 6 7 | *--------------------+-------------------+-------------------| | 1 379 4 |a39 56 56 | 2 37 8 | |cd79 3789 5 | 2 1 b389 | 6 37 4 | | 2 38 6 |a38 4 7 | 59 1 59 | *------------------------------------------------------------*

(7=398)r379c4 - (8=39)r48c6 - 9r4c2&r8c1 = 7r8c1|(97)r58c1 => -7 r3c1 ; stte

by **Ngisa** » Tue Apr 14, 2020 5:41 pm

Code: Select all: +-------------------+----------------------+--------------------+ | 3 57 9 | 6 578 458 | 1 45 2 | | 8 6 2 | 1 59 459 | 7 459 3 | |b57* 4 1 |e379 f3579 2 | 8 59 6 | +-------------------+----------------------+--------------------+ | 6 59 7 | 4 2 39 | 359 8 1 | |a59 1 3 | 78 678 68 | 4 2 5-9| | 4 2 8 | 5 g39 1 |h39 6 7 | +-------------------+----------------------+--------------------+ | 1 379 4 |d39 56 56 | 2 37 8 | |b79 3789 5 | 2 1 c389 | 6 37 4 | | 2 38 6 | 38 4 7 | 59 1 59 | +-------------------+----------------------+--------------------+

(9)r5c1 = (97*)r83c1 - (9)r8c6 = r7c4 - (97*=3)r3c4 - r3c5 = (3-9)r6c5 = (9)r6c7 => - 9r5c9; stte

Clement

by **pjb** » Tue Apr 14, 2020 10:55 pm

Code: Select all: 3 7-5 9 | 6 f578 458 | 1 g45 2 8 6 2 | 1 59 e459 | 7 459 3 57 4 1 | 379 3579 2 | 8 59 6 ------------------------+----------------------+--------------------- 6 a59 7 | 4 2 b39 | 359 8 1 b59 1 3 | 78 678 68 | 4 2 59 4 2 8 | 5 39 1 | 39 6 7 ------------------------+----------------------+--------------------- 1 379 4 | 39 56 56 | 2 37 8 c79 3789 5 | 2 1 d389 | 6 37 4 2 38 6 | 38 4 7 | 59 1 59

(5=9)r4c2 - r5c1(r4c6) = r8c1 - r8c6 = (9-4)r2c6 = r1c6 - (4=5)r1c8 => -5 r1c2; stte

Phil

by **Leren** » Thu Apr 16, 2020 3:25 am

Code: Select all: *-------------------------------------------* | 3 7-5 9 | 6 578 458a | 1 45a 2 | | 8 6 2 | 1 59 459 | 7 459 3 | |A57 4 1 | 379 3579 2 | 8 59 6 | |------------+-----------------+------------| | 6 a59 7 | 4 2 a39 | 359 8 1 | | 59 1 3 | 78 678 68 | 4 2 59 | | 4 2 8 | 5 39 1 | 39 6 7 | |------------+-----------------+------------| | 1 379 4 | 39 56 56 | 2 37 8 | |A79 3789 5 | 2 1 Bb389b | 6 37 4 | | 2 38 6 | 38 4 7 | 59 1 59 | *-------------------------------------------* 3 Petal Death Blossom: Stem Cell r8c6 {389} : (5=3) r4c26 - (3) r8c6; (5=8) r1c68 - (8) r8c6; (5=9) r38c1 - (9) r8c6; => - 5 r1c2; stte

Leren

by **eleven** » Thu Apr 16, 2020 2:09 pm

pjb wrote:(5=9)r4c2 - r5c1(r4c6) = r8c1 - r8c6 = (9-4)r2c6 = r1c6 - (4=5)r1c8 => -5 r1c2; stte

Please mark, where you use remembered digits (making the chain unidirectional), otherwise the link 9r8c6=r2c6 just looks wrong.

Code: Select all: +--------------------+-------------------+-------------------+ | 3 7-5 9 | 6 578 e458 | 1 e45 2 | | 8 6 2 | 1 59 459 | 7 459 3 | | a57 4 1 | 379 3579 2 | 8 59 6 | +--------------------+-------------------+-------------------+ | 6 c59 7 | 4 2 d39 | 359 8 1 | | b59 1 3 | 78 678 68 | 4 2 59 | | 4 2 8 | 5 39 1 | 39 6 7 | +--------------------+-------------------+-------------------+ | 1 379 4 | 39 56 56 | 2 37 8 | | c79 3789 5 | 2 1 d389 | 6 37 4 | | 2 38 6 | 38 4 7 | 59 1 59 | +-------------------+-------------------+-------------------+

5r3c1 = (5-9)r5c1 = 9r4c2 & r8c1 - (9=38)r48c6 - (8=45)r1c68 => -5r1c2, stte

Mystery Puzzle 25