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by **Leren** » Mon Jun 11, 2018 3:30 am

Code: Select all: *-----------* |..9|24.|...| |...|96.|8..| |2..|..1|.9.| |---+---+---| |.91|..5|34.| |3..|...|.18| |...|4..|.6.| |---+---+---| |.7.|...|.5.| |4..|.7.|.8.| |825|..4|..6| *-----------*

by **Ngisa** » Mon Jun 11, 2018 8:41 am

Code: Select all: +---------------------+--------------------+---------------------+ | 157 356 9 | 2 4 8 | 167 37 1357 | | 15 35 4 | 9 6 7 | 8 2 135 | | 2 68 78 | 3 5 1 | 467 9 47 | +---------------------+--------------------+---------------------+ | 6 9 1 |a78 28 5 | 3 4 2-7 | | 3 4 27 | 67 29 269 | 5 1 8 | | 57 58 278 | 4 1 3 |e279 6 279 | +---------------------+--------------------+---------------------+ | 9 7 36 |b68 c238 26 | 124 5 1234 | | 4 1 36 | 5 7 269 |e29 8 239 | | 8 2 5 | 1 d39 4 |e79 37 6 | +---------------------+--------------------+---------------------+

(7=8)r4c4 - r7c4 = (8-3)r7c5 = (3-9)r9c5 = (927)r689c7 => - 7r4c9; stte

Clement

by **ArkieTech** » Mon Jun 11, 2018 9:49 am

Code: Select all: *-----------------------------------------------------------* | 157 356 9 | 2 4 8 | 16 37 1357 | | 15 35 4 | 9 6 7 | 8 2 135 | | 2 68 78 | 3 5 1 | 46 9 47 | *-------------------+-------------------+-------------------| | 6 9 1 | 78 28 5 | 3 4 27 | | 3 4 a27 | 67 a29 269 | 5 1 8 | | 5-7 58 28-7 | 4 1 3 |d279 6 279 | *-------------------+-------------------+-------------------| | 9 7 36 | 68 238 26 | 14 5 14 | | 4 1 36 | 5 7 69 | 29 8 239 | | 8 2 5 | 1 b39 4 |c79 37 6 | *-----------------------------------------------------------* [(7=9)r5c35-r9c5=(9-7)r9c7=7r6c7]-7r6c13; ste

by **SteveG48** » Mon Jun 11, 2018 1:27 pm

Code: Select all: *-----------------------------------------------------------* | 157 356 9 | 2 4 8 | 16 37 1357 | | 15 35 4 | 9 6 7 | 8 2 135 | | 2 68 78 | 3 5 1 | 46 9 47 | *-------------------+-------------------+-------------------| | 6 9 1 | 78 28 5 | 3 4 27 | | 3 4 a27 | 67 a29 a269 | 5 1 8 | |b57 58 b278 | 4 1 3 |c279 6 279 | *-------------------+-------------------+-------------------| | 9 7 36 | 68 238 26 | 14 5 14 | | 4 1 e36 | 5 7 9-6 |e29 8 e239 | | 8 2 5 | 1 39 4 |d79 37 6 | *-----------------------------------------------------------*

(6=297)r5c356 - 7r5c13 = r6c7 - (7=9)r9c7 - (9=236)r8c379 => -6 r8c6 ; stte

by **Cenoman** » Mon Jun 11, 2018 2:48 pm

Code: Select all: +--------------------+-------------------+--------------------+ | 157 356 9 | 2 4 8 | 16 37 1357 | | 15 35 4 | 9 6 7 | 8 2 135 | | 2 68 78 | 3 5 1 | 46 9 47 | +--------------------+-------------------+--------------------+ | 6 9 1 | 78 28 5 | 3 4 2-7 | | 3 4 27 | 67 29 269 | 5 1 8 | | 57 58 278 | 4 1 3 |ae279* 6 a279* | +--------------------+-------------------+--------------------+ | 9 7 36 | 68 238 26 | 14 5 14 | | 4 1 36 | 5 7 69 | 29* 8 b239* | | 8 2 5 | 1 39 4 | d79 c37 6 | +--------------------+-------------------+--------------------+

UR(29)r68c79 using internals
(7)r6c79=UR=(3)r8c9 - (3=7)r9c8 - r9c7 = (7)r6c7 => -7 r4c9,r6c3; ste

by **Leren** » Tue Jun 12, 2018 8:37 pm

Link to the original puzzle is here. Leren

by **pjb** » Fri Jun 15, 2018 4:00 am

Code: Select all: 157 356 9 | 2 4 8 | 16 37 1357 15 35 4 | 9 6 7 | 8 2 135 2 68 78 | 3 5 1 | 46 9 47 ------------------------+----------------------+--------------------- 6 9 1 | 78 8-2 5 | 3 4 a27 3 4 27 | 67 e29 269 | 5 1 8 57 58 278 | 4 1 3 |b279 6 279 ------------------------+----------------------+--------------------- 9 7 36 | 68 238 26 | 14 5 14 4 1 36 | 5 7 69 | 29 8 239 8 2 5 | 1 d39 4 |c79 37 6

(2=7)r4c9 - r6c7 = (7-9)r9c7 = r9c5 - (9=2)r5c5 => -2 r4c5; stte
or
the hidden UR r68c79 => -2 r6c79, r8c9; stte
Phil

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