The New Sudoku Players' Forum

by **SteveG48** » Fri May 04, 2018 5:25 pm

The latest more difficult puzzle from our local paper.

Code: Select all: *-----------* |..8|.73|...| |.14|..9|3..| |.2.|.4.|...| |---+---+---| |6.3|...|...| |2..|.5.|..8| |...|...|..7| |---+---+---| |...|.1.|.2.| |...|5..|673| |...|69.|4..| *-----------*

by **ArkieTech** » Fri May 04, 2018 8:16 pm

Code: Select all: *-----------------------------------------------------------* |a59 a569 8 | 12 7 3 |a129 a149 a1246 | | 7 1 4 | 28 6 9 | 3 58 b25 | | 3 2 69 | 18 4 5 | 7 189 6-1 | *-------------------+-------------------+-------------------| | 6 5789 3 | 79 28 128 | 1259 149 124 | | 2 479 179 | 479 5 6 | 19 3 8 | | 1459 4589 159 | 49 3 128 | 1259 6 7 | *-------------------+-------------------+-------------------| | 45 4567 567 | 3 1 47 | 8 2 9 | | 149 49 129 | 5 28 248 | 6 7 3 | | 8 3 27 | 6 9 27 | 4 15 b15 | *-----------------------------------------------------------* [(1=2)r1c12789-(2=1)r29c9]-1r3c9; ste

by **Cenoman** » Fri May 04, 2018 9:34 pm

Code: Select all: +----------------------+-------------------+----------------------+ | 59z 569z 8 | 12 7 3 |Aa129y 149 124-6 | | 7 1 4 | 28 6 9 | 3 58 B25 | | 3 2 69 | 18 4 5 | 7 189 Bb16 | +----------------------+-------------------+----------------------+ | 6 5789 3 | 79 28 128 | 1259 149 124 | | 2 479 179 | 479 5 6 | 19 3 8 | | 1459 4589 159 | 49 3 128 | 1259 6 7 | +----------------------+-------------------+----------------------+ | 45 4567 567 | 3 1 47 | 8 2 9 | | 149 49 129 | 5 28 248 | 6 7 3 | | 8 3 27 | 6 9 27 | 4 15 B15 | +----------------------+-------------------+----------------------+

Death blossom, stem (129)r1c7
(1)r1c7 - (1=6)r3c9
(2)r1c7 - (251=6)r239c9
(9)r1c7 - (95=6)r1c12
=> -6 r1c9; ste

by **Ngisa** » Sat May 05, 2018 9:00 am

Code: Select all: +-------------------------+---------------------+---------------------------+ |a5-9 569 8 | 12 7 3 | b129 b149 1246 | | 7 1 4 | 28 6 9 | 3 d58 e25 | | 3 2 h69 | 18 4 5 | 7 c189 g16 | +-------------------------+---------------------+---------------------------+ | 6 5789 3 | 79 28 128| 1259 149 124 | | 2 479 179 | 479 5 6 | 19 3 8 | | 1459 4589 159 | 49 3 128| 1259 6 7 | +-------------------------+---------------------+---------------------------+ | 45 4567 567 | 3 1 47 | 8 2 9 | | 149 49 129 | 5 28 248| 6 7 3 | | 8 3 27 | 6 9 27 | 4 15 f15 | +-------------------------+---------------------+---------------------------+

9r1c1 - r1c78 = (9-8)r3c8 = (8-5)r2c8 = r2c9 - (5=1)r9c9 - (1=6)r3c9 - (6=9)r3c3 => - 9r1c1; stte

Clement

by **pjb** » Sat May 05, 2018 8:41 pm

Code: Select all: 59 569 8 | 12 7 3 | 129 149 1246 7 1 4 |b28 6 9 | 3 58 c25 3 2 69 |a18 4 5 | 7 189 6-1 ------------------------+----------------------+--------------------- 6 5789 3 | 79 28 128 | 1259 149 124 2 479 179 | 479 5 6 | 19 3 8 1459 4589 159 | 49 3 128 | 1259 6 7 ------------------------+----------------------+--------------------- 45 4567 567 | 3 1 47 | 8 2 9 149 49 129 | 5 28 248 | 6 7 3 8 3 27 | 6 9 27 | 4 15 d15

(1=8)r3c4 - (8=2)r2c4 - (2=5)r2c9 - (5=1)r9c9 => -1 r3c9; stte

Phil

by **Leren** » Thu May 10, 2018 7:52 am

Code: Select all: *----------------------------------------------* | 59 569 8 | 12 7 3 | 129 149 1246 | | 7 1 4 | 28 6 9 | 3 c58 25 | | 3 2 69 |a18 4 5 | 7 b189 6-1 | |---------------+------------+-----------------| | 6 5789 3 | 79 28 128 | 1259 149 124 | | 2 479 179 | 479 5 6 | 19 3 8 | | 1459 4589 159 | 49 3 128 | 1259 6 7 | |---------------+------------+-----------------| | 45 4567 567 | 3 1 47 | 8 2 9 | | 149 49 129 | 5 28 248 | 6 7 3 | | 8 3 27 | 6 9 27 | 4 d15 e15 | *----------------------------------------------*

(1=8) r3c4 - r3c8 = (8-5) r2c8 = (5-1) r9c8 = (1) r9c9 => - 1 r3c9; stte

Leren

Steve Stumble XX