The New Sudoku Players' Forum

by **Leren** » Thu Jul 19, 2018 9:30 pm

Code: Select all: *-----------* |..5|.6.|9..| |...|4..|..2| |.68|2..|...| |---+---+---| |..4|.37|2..| |..1|..2|.8.| |...|9..|...| |---+---+---| |...|.98|..3| |...|6..|.7.| |.37|...|5..| *-----------*

by **SCLT** » Thu Jul 19, 2018 9:58 pm

Code: Select all: *----------------------------------------------------* | 27 27 5 | 3 6 1 | 9 4 8 | | 9 1 3 | 4 8 5 | 7 6 2 | | 4 6 8 | 2 7 9 | 13 e#135 #15 | *-----------------+--------------+-------------------| | 6 59 4 | 8 3 7 | 2 #15 d#159 | | 3 79 1 | 5 4 2 | 6 8 c79 | | a7-5 8 2 | 9 1 6 | 34 f35 b457 | *-----------------+--------------+-------------------| | 15 45 6 | 7 9 8 | 14 2 3 | | 12 24 9 | 6 5 3 | 8 7 14 | | 8 3 7 | 1 2 4 | 5 9 6 | *----------------------------------------------------*

UR r34c89 implies a strong link 9r4c9 = 3r3c8:

7r6c1 = r6c9 - (7=9)r5c9 - r4c9 =UR= 3r3c8 - (3=5)r6c8 => -5 r6c1; stte

by **pjb** » Thu Jul 19, 2018 10:44 pm

Code: Select all: 27 27 5 | 3 6 1 | 9 4 8 9 1 3 | 4 8 5 | 7 6 2 4 6 8 | 2 7 9 | 13 135 15 ------------------------+----------------------+--------------------- 6 59 4 | 8 3 7 | 2 15 159 3 79 1 | 5 4 2 | 6 8 79 7-5 8 2 | 9 1 6 |b34 a35 457 ------------------------+----------------------+--------------------- d15 45 6 | 7 9 8 |c14 2 3 12 24 9 | 6 5 3 | 8 7 14 8 3 7 | 1 2 4 | 5 9 6

(5=3)r6c8 - (3=4)r6c7 - (4=1)r7c7 - (1=5)r7c1 => -5 r6c1; stte

Phil

by **SteveG48** » Fri Jul 20, 2018 1:11 am

Code: Select all: *--------------------------------------------------* |c27 27 5 | 3 6 1 | 9 4 8 | | 9 1 3 | 4 8 5 | 7 6 2 | | 4 6 8 | 2 7 9 | 13 135 15 | *----------------+----------------+----------------| | 6 59 4 | 8 3 7 | 2 a15 a19-5 | | 3 79 1 | 5 4 2 | 6 8 a79 | |c57 8 2 | 9 1 6 | 34 3-5 a457 | *----------------+----------------+----------------| | 15 45 6 | 7 9 8 | 14 2 3 | |c12 24 9 | 6 5 3 | 8 7 b14 | | 8 3 7 | 1 2 4 | 5 9 6 | *--------------------------------------------------*

(5=1479)b6p2369 - (4=1)r8c9 - (1=257)r168c1 => -5 r6c8 ; stte

Or, NOT MY WORK, but I like it:

Code: Select all: *--------------------------------------------------* | 27 27 5 | 3 6 1 | 9 4 8 | | 9 1 3 | 4 8 5 | 7 6 2 | | 4 6 8 | 2 7 9 | 13 b135 15 | *----------------+----------------+----------------| | 6 59 4 | 8 3 7 | 2 a15 b159 | | 3 79 1 | 5 4 2 | 6 8 79 | | 57 8 2 | 9 1 6 | 34 3-5 c457 | *----------------+----------------+----------------| | 15 45 6 | 7 9 8 | 14 2 3 | | 12 24 9 | 6 5 3 | 8 7 14 | | 8 3 7 | 1 2 4 | 5 9 6 | *--------------------------------------------------*

(5=1)r4c8 - 1r3c8,r4c9 = 5r6c9[BUG+1] => -5 b6p38 ; stte

by **Cenoman** » Fri Jul 20, 2018 9:21 am

Code: Select all: +-----------------+-----------------+-------------------+ | 27 27 5 | 3 6 1 | 9 4 8 | | 9 1 3 | 4 8 5 | 7 6 2 | | 4 6 8 | 2 7 9 | 13 b135* 15* | +-----------------+-----------------+-------------------+ | 6 a59 4 | 8 3 7 | 2 15* 159* | | 3 79 1 | 5 4 2 | 6 8 79 | | 7-5 8 2 | 9 1 6 | 34 c35 457 | +-----------------+-----------------+-------------------+ | 15 45 6 | 7 9 8 | 14 2 3 | | 12 24 9 | 6 5 3 | 8 7 14 | | 8 3 7 | 1 2 4 | 5 9 6 | +-----------------+-----------------+-------------------+

Same UR as SCLT's
UR(15)r34c89 using mixed external-internal (5r4c2==3r3c8)
(5)r4c2==(3)r3c8 - (3=5)r6c8 => -5 r6c1; ste

by **Ngisa** » Fri Jul 20, 2018 1:05 pm

Code: Select all: +-----------------+---------------+--------------------+ | 27 27 5 | 3 6 1 | 9 4 8 | | 9 1 3 | 4 8 5 | 7 6 2 | | 4 6 8 | 2 7 9 |c13 b135 15 | +-----------------+---------------+--------------------+ | 6 59 4 | 8 3 7 | 2 15 159 | | 3 79 1 | 5 4 2 | 6 8 79 | | 7-5 8 2 | 9 1 6 | 34 a35 457 | +-----------------+---------------+--------------------+ |e15 45 6 | 7 9 8 |d14 2 3 | | 12 24 9 | 6 5 3 | 8 7 14 | | 8 3 7 | 1 2 4 | 5 9 6 | +-----------------+---------------+--------------------+

(5=3)r6c8 - r3c8 = (3-1)r3c7 = r7c7 - (1=5)r7c1 => - 5r6c1; stte

Clement

by **Sudtyro2** » Fri Jul 20, 2018 11:33 pm

Code: Select all: +---------------+--------------+--------------+ | c27 27 5 | 3 6 1 | 9 4 8 | | 9 1 3 | 4 8 5 | 7 6 2 | | 4 6 8 | 2 7 9 | 13 135 15 | +---------------+--------------+--------------+ | 6 59 4 | 8 3 7 | 2 15 159 | | 3 79 1 | 5 4 2 | 6 8 79 | |ac57 8 2 | 9 1 6 | 34 b35 a57-4 | +---------------+--------------+--------------+ | 15 45 6 | 7 9 8 | 14 2 3 | | c12 24 9 | 6 5 3 | 8 7 14 | | 8 3 7 | 1 2 4 | 5 9 6 | +---------------+--------------+--------------+

AHP(57)r6c19 = 5r6c8 - (5=271)r168c1 - (1=4)r8c9 => - 4r6c9; stte

SteveC

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