The New Sudoku Players' Forum

by **ArkieTech** » Fri May 10, 2019 10:50 am

Code: Select all: *-----------* |...|.4.|..9| |.6.|...|81.| |1..|.76|..4| |---+---+---| |..9|..2|..5| |.7.|...|.2.| |3..|6..|4..| |---+---+---| |4..|15.|..3| |.53|...|.8.| |7..|.3.|...| *-----------*

by **Leren** » Fri May 10, 2019 10:57 am

Code: Select all: *----------------------------------------* | 2 3 7 | 8 4 1 | 6 5 9 | | 5 6 4 | 39 2 39 | 8 1 7 | | 1 9 8 | 5 7 6 | 2 3 4 | |-----------+-------------+--------------| | 68 4 9 |c37 18 2 |d37-1 67 5 | | 68 7 15 | 34 189 345 | 139 2 168 | | 3 12 125 | 6 189 57 | 4 79 18 | |-----------+-------------+--------------| | 4 28 26 | 1 5 78 | 79 679 3 | | 9 5 3 |b247 6 47 |a17 8 12 | | 7 18 16 | 29 3 89 | 5 4 26 | *----------------------------------------*

H2 Wing: (1=7) r8c7 - r8c4 = (7-3) r4c4 = (3) r4c7 => - 1 r4c7; stte

Leren

by **SpAce** » Fri May 10, 2019 12:18 pm

Code: Select all: .------------------.-----------------.---------------. | 2 3 7 | 8 4 1 | 6 5 9 | | 5 6 4 | 39 2 39 | 8 1 7 | | 1 9 8 | 5 7 6 | 2 3 4 | :------------------+-----------------+---------------: | 68 4 9 | 37 18 2 | 137 67 5 | | 68 7 15 | 34 189 345 | 139 2 168 | | 3 12 a1(2)-5 | 6 189 c(5)7 | 4 79 18 | :------------------+-----------------+---------------: | 4 b28 b26 | 1 5 b78 | 79 679 3 | | 9 5 3 | 247 6 47 | 17 8 12 | | 7 18 16 | 29 3 89 | 5 4 26 | '------------------'-----------------'---------------'

(2)r6c3 = (287)r7c326 - (7=5)r6c6 => -5 r6c3; stte

by **Ngisa** » Fri May 10, 2019 1:30 pm

Code: Select all: +-------------------+---------------------+---------------------+ | 2 3 7 | 8 4 1 | 6 5 9 | | 5 6 4 |c39 2 39 | 8 1 7 | | 1 9 8 | 5 7 6 | 2 3 4 | +-------------------+---------------------+---------------------+ | 68 4 9 |c37 18 2 | 137 b67 5 | | 68 7 15 | 34 189 345 | 139 2 168 | | 3 12 125 | 6 189 57 | 4 79 18 | +-------------------+---------------------+---------------------+ | 4 28 26 | 1 5 a78 |a79 a679 3 | | 9 5 3 | 247 6 47 | 17 8 12 | | 7 18 16 |d29 3 e9-8 | 5 4 26 | +-------------------+---------------------+---------------------+

(8=796)r7c678 - (6=7)r4c8 - (7=39)r24c4 - (9)r9c4 = (9)r9c6 => - 8r9c6; stte

Clement

by **rjamil** » Fri May 10, 2019 7:42 pm

Code: Select all: ....4...9.6....81.1...76..4..9..2..5.7.....2.3..6..4..4..15...3.53....8.7...3.... +-------------+-----------------+-----------------+ | 2 3 7 | 8 4 1 | 6 5 9 | | 5 6 4 | 39 2 39 | 8 1 7 | | 1 9 8 | 5 7 6 | 2 3 4 | +-------------+-----------------+-----------------+ | 68 4 9 | (37) 18 2 | (137) 6-7 5 | | 68 7 15 | 34 189 345 | 139 2 168 | | 3 12 125 | 6 189 57 | 4 79 18 | +-------------+-----------------+-----------------+ | 4 28 26 | 1 5 78 | 79 679 3 | | 9 5 3 | 24(7) 6 47 | (17) 8 12 | | 7 18 16 | 29 3 89 | 5 4 26 | +-------------+-----------------+-----------------+

XYZ-Hybrid: 137 @ r4c7 r4c4 r8c7 Hybrid 7 @ r8c4 => -7 @ r4c8; stte

R. Jamil

by **SpAce** » Fri May 10, 2019 7:58 pm

rjamil wrote:XYZ-Hybrid: 137 @ r4c7 r4c4 r8c7 Hybrid 7 @ r8c4 => -7 @ r4c8; stte

aka H4-Wing:

(7)r4c4 = r8c4 - (7=1)r8c7 - (1=37)r4c47 => -7 r4c8

by **Cenoman** » Fri May 10, 2019 9:10 pm

Code: Select all: +------------------+--------------------+--------------------+ | 2 3 7 | 8 4 1 | 6 5 9 | | 5 6 4 | 39 2 39 | 8 1 7 | | 1 9 8 | 5 7 6 | 2 3 4 | +------------------+--------------------+--------------------+ | 68 4 9 | 37* 18 2 | a137# 67* 5 | | 68 7 15 | 34 189 345 | 139 2 168 | | 3 12 125 | 6 189 57 | 4 b79# 18 | +------------------+--------------------+--------------------+ | 4 28 26 | 1 5 78 | a79# 679* 3 | | 9 5 3 | 247* 6 a47# | 1-7* 8 12 | | 7 18 16 | 29 3 89 | 5 4 26 | +------------------+--------------------+--------------------+

In the 7s, 5-link oddagon (*) with four guardians (#)
(7)r4c7|r7c7|r8c6 == (7)r6c8 - (76=9)r47c8 - (9=7)r7c7 => -7 r8c7; ste

May 10, 2019