The New Sudoku Players' Forum

by **ArkieTech** » Thu Sep 11, 2014 11:22 pm

Code: Select all: *-----------* |...|75.|4..| |..9|..8|.6.| |...|..6|1..| |---+---+---| |.43|...|..5| |6..|...|21.| |5..|.7.|.4.| |---+---+---| |...|..2|..1| |..7|63.|...| |96.|5..|...| *-----------*

by **SteveG48** » Fri Sep 12, 2014 12:01 am

Code: Select all: *--------------------------------------------------------------------* | 1238 1238 6 | 7 5 d39 | 4 239 2389 | | 2347 f2357 9 | 1 24 8 |g57 6 237 | | 23478 23578 e45 |e34 249 6 | 1 2359 23789 | *----------------------+----------------------+----------------------| |a2-7 4 3 | 28 6 1 |h79 89 5 | | 6 79 8 | 34 49 5 | 2 1 37 | | 5 b29 1 | 28 7 c39 | 38 4 6 | *----------------------+----------------------+----------------------| | 34 35 45 | 9 8 2 | 6 7 1 | | 18 18 7 | 6 3 4 | 59 259 29 | | 9 6 2 | 5 1 7 | 38 38 4 | *--------------------------------------------------------------------*

(2)r4c1 = (2-9)r6c2 = r6c6 - (9=3)r1c6 - (3=5)r3c34 - r2c2 = (5-7)r2c7 = (7)r4c7 => -7 r4c1 ; stte

by **Leren** » Fri Sep 12, 2014 12:14 am

Code: Select all: *-----------------------------------------------------------------------* | 1238 1238 6 | 7 5 39 | 4 239 2389 | | 2347 237-5 9 | 1 24 8 |a57 6 237 | | 23478 23578 h45 |g34 249 6 | 1 239-5 23789 | |-----------------------+-----------------------+-----------------------| |c27 4 3 | 28 6 1 |b79 89 5 | | 6 d79 8 |f34 e49 5 | 2 1 37 | | 5 29 1 | 28 7 39 | 38 4 6 | |-----------------------+-----------------------+-----------------------| | 34 35 45 | 9 8 2 | 6 7 1 | | 18 18 7 | 6 3 4 | 59 259 29 | | 9 6 2 | 5 1 7 | 38 38 4 | *-----------------------------------------------------------------------*

(5=7) r2c7 - r4c7 = r4c1 - (7=9) r5c2 - (9=4) r5c5 - r5c4 = r3c4 - (4=5) r3c3 => - 5 r2c2, r3c8; stte

or

Code: Select all: *-----------------------------------------------------------------------* | 1238 1238 6 | 7 5 39 | 4 c239 c2389 | | 2347 2357 9 | 1 24 8 | 57 6 c237 | | 23478 23578 b45 |b34 249 6 | 1 c2359 c23789 | |-----------------------+-----------------------+-----------------------| | 27 4 3 | 28 6 1 | 79 89 5 | | 6 a79 8 |a34 a49 5 | 2 1 3-7 | | 5 29 1 | 28 7 39 | 38 4 6 | |-----------------------+-----------------------+-----------------------| | 34 35 45 | 9 8 2 | 6 7 1 | | 18 18 7 | 6 3 4 | 59 259 29 | | 9 6 2 | 5 1 7 | 38 38 4 | *-----------------------------------------------------------------------*

ALS XY Wing: (7=3) r5c245 - (3=5) r3c34 - (5=7) r1c89, r2c9, r3c89 => - 7 r5c9; stte

Leren

by **pjb** » Fri Sep 12, 2014 12:22 am

Code: Select all: 1238 1238 6 | 7 5 39 | 4 239 2389 2347 c2357 9 | 1 24 8 |d57 6 237 23478 23578 b45 |a34 249 6 | 1 2359 2789-3 ------------------------+----------------------+--------------------- 27 4 3 | 28 6 1 |e79 89 5 6 79 8 | 4-3 49 5 | 2 1 f37 5 29 1 | 28 7 39 | 38 4 6 ------------------------+----------------------+--------------------- 34 35 45 | 9 8 2 | 6 7 1 18 18 7 | 6 3 4 | 59 259 29 9 6 2 | 5 1 7 | 38 38 4

(3=4)r3c4 - (4=5)r3c3 - r2c2 = (5-7)r2c7 = r4c7 - (7=3)r5c9 => -3 r3c9, r5c4; stte

Phil

by **ArkieTech** » Fri Sep 12, 2014 10:55 am

Code: Select all: *--------------------------------------------------------------------* | 1238 1238 6 | 7 5 39 | 4 b239 b2389 | | 2347 2357 9 | 1 24 8 | 57 6 b237 | | 23478 23578 a45 | 3-4 249 6 | 1 b2359 b23789 | |----------------------+----------------------+----------------------| | 27 4 3 | 28 6 1 | 79 89 5 | | 6 79 8 |c34 49 5 | 2 1 c37 | | 5 29 1 | 28 7 39 | 38 4 6 | |----------------------+----------------------+----------------------| | 34 35 45 | 9 8 2 | 6 7 1 | | 18 18 7 | 6 3 4 | 59 259 29 | | 9 6 2 | 5 1 7 | 38 38 4 | *--------------------------------------------------------------------* (4=5)r3c3-(5=23897)r13c8,r123c9-(7=4)r5c49 => -4r3c4; ste

by **JC Van Hay** » Fri Sep 12, 2014 12:30 pm

Like Leren's :

Code: Select all: +--------------------+---------------+--------------------+ | 1238 1238 6 | 7 5 39 | 4 239 2389 | | 2347 237-5 9 | 1 24 8 | (57) 6 237 | | 23478 23578 (45) | (34) 249 6 | 1 239-5 23789 | +--------------------+---------------+--------------------+ | 27 4 3 | 28 6 1 | 9(7) 89 5 | | 6 79 8 | 4(3) 49 5 | 2 1 (37) | | 5 29 1 | 28 7 39 | 38 4 6 | +--------------------+---------------+--------------------+ | 34 35 45 | 9 8 2 | 6 7 1 | | 18 18 7 | 6 3 4 | 59 259 29 | | 9 6 2 | 5 1 7 | 38 38 4 | +--------------------+---------------+--------------------+

[(5=7)r2c7 - 7r4c7 = (7-3)r5c9 = 3r5c4 - (3==5)r3c43] - 5r2c2,5r3c8; ste

by **Ngisa** » Fri Sep 12, 2014 4:58 pm

Code: Select all: +----------------+-----------+----------------+ | 1238 1238 6 | 7 5 39 | 4 2389 2389 | | 2347 c2357 9 | 1 24 8 | b357 6 237 | | 23478 23578 d45 | e34 249 6 | 1 2359 23789 | +----------------+-----------+----------------+ | 2-7 4 3 | 28 6 1 | a789 89 5 | | 6 h79 8 | f34 g49 5 | 2 1 39-7 | | 5 29 1 | 27r8 7 39 | 389 4 6 | +----------------+-----------+----------------+ | 34 35 45 | 9 8 2 | 6 7 1 | | 18 18 7 | 6 3 4 | 59 259 29 | | 9 6 2 | 5 1 7 | 38 38 4 | +----------------+-----------+----------------+

(7)r4c7=(7-5)r2c7=r2c2-(5=4)r3c3-(4=3)r3c4-(3=4)r5c4-(4=9)r5c5-(9=7)r5c2 => -7r4c1, r5c9; stte.

September 12, 2014