- Code: Select all
*-----------*
|.49|.26|.3.|
|...|..9|5.2|
|5..|...|..9|
|---+---+---|
|...|8..|41.|
|...|.9.|...|
|.53|..4|...|
|---+---+---|
|3..|...|..1|
|8.4|6..|...|
|.1.|78.|95.|
*-----------*
Play/Print this puzzle online
*-----------*
|.49|.26|.3.|
|...|..9|5.2|
|5..|...|..9|
|---+---+---|
|...|8..|41.|
|...|.9.|...|
|.53|..4|...|
|---+---+---|
|3..|...|..1|
|8.4|6..|...|
|.1.|78.|95.|
*-----------*
*--------------------------------------------------------------*
| 17 4 9 | 5 2 6 | 178 3 78 |
| 167 368b 178 | 134c 137 9 | 5 46 2 |
| 5 ka36-2a 127 |c134 137 8 | 17 b46 9 |
|--------------------+--------------------+--------------------|
| 9 j26 27 | 8 e356 57 | 4 1 f3567 |
| 4 h68 178 |d123 9 157 | 237 27 g3567 |
| 167 5 3 | 12 16 4 | 278 9 678 |
|--------------------+--------------------+--------------------|
| 3 7 5 | 9 4 2 | 6 8 1 |
| 8 9 4 | 6 15 15 | 237 27 37 |
| 2 1 6 | 7 8 3 | 9 5 4 |
*--------------------------------------------------------------*
2 r3c2 - 3 r3c2 = r2c2 - 3 r2c4
2 r3c2 - 6 r3c2 = (6-4) r3c8 = (4-3) r3c4 *= r5c4 - r4c5 = (3-5) r4c9 = (5-6) r5c9 = r5c2 - (6=2) r4c2 - 2 r3c2 => - 2 r3c2; stte
+-------------+-------------+-------------+
| 17 4 9 | 5 2 6 | 178 3 78 |
| 167 368 178 | 134 137 9 | 5 46 2 |
| 5 236 127 | 134 137 8 | 17 46 9 |
+-------------+-------------+-------------+
| 9 26 27 | 8 356 57 | 4 1 3567 |
| 4 68 178 | 123 9 157 | 237 27 3567 |
| 167 5 3 | 12 16 4 | 278 9 678 |
+-------------+-------------+-------------+
| 3 7 5 | 9 4 2 | 6 8 1 |
| 8 9 4 | 6 15 15 | 237 27 37 |
| 2 1 6 | 7 8 3 | 9 5 4 |
+-------------+-------------+-------------+
*-----------------------------------------------------------*
| 17 4 9 | 5 2 6 | 178 3 78 |
|c167 bc368 178 |d134 137 9 | 5 d46 2 |
| 5 b236 127 | 134 137 8 | 17 46 9 |
*-------------------+-------------------+-------------------|
| 9 a2-6 27 | 8 h356 57 | 4 1 3567 |
| 4 a68 178 |e123 9 157 |f237 f27 3567 |
| 167 5 3 |e12 g16 4 |f278 9 f678 |
*-------------------+-------------------+-------------------|
| 3 7 5 | 9 4 2 | 6 8 1 |
| 8 9 4 | 6 15 15 | 237 27 37 |
| 2 1 6 | 7 8 3 | 9 5 4 |
*-----------------------------------------------------------*
Marty R. wrote:
- Code: Select all
+-------------+-------------+-------------+
| 17 4 9 | 5 2 6 | 178 3 78 |
| 167 368 178 | 134 137 9 | 5 46 2 |
| 5 236 127 | 134 137 8 | 17 46 9 |
+-------------+-------------+-------------+
| 9 26 27 | 8 356 57 | 4 1 3567 |
| 4 68 178 | 123 9 157 | 237 27 3567 |
| 167 5 3 | 12 16 4 | 278 9 678 |
+-------------+-------------+-------------+
| 3 7 5 | 9 4 2 | 6 8 1 |
| 8 9 4 | 6 15 15 | 237 27 37 |
| 2 1 6 | 7 8 3 | 9 5 4 |
+-------------+-------------+-------------+
Play this puzzle online at the Daily Sudoku site
Type 2 UR (27)r58c78 internals
3r5c7=3r8c7
You have no reason to trust me, but please trust me, 3r8c7 is invalid => 3r5c7. I'm not notating it because I plotted it out on a blank grid
and it's a little too multi-directional to notate.
17 4 9 | 5 2 6 | 178 3 78
167 368 178 | 134 137 9 | 5 46 2
5 236 127 | 134 137 8 | 17 46 9
------------------------+----------------------+---------------------
9 e26 e27 | 8 a356 f57 | 4 1 b567-3
4 d68 178 | 123 9 g157 | 237 h27 c3567
167 5 3 | 12 16 4 | 278 9 678
------------------------+----------------------+---------------------
3 7 5 | 9 4 2 | 6 8 1
8 9 4 | 6 15 15 | 237 i27 j37
2 1 6 | 7 8 3 | 9 5 4
+-----------------+-----------------+----------------------+
| 17 4 9 | 5 2 6 | 178 3 78 |
| 167 368 178 | 134 137 9 | 5 46 2 |
| 5 236 127 | 134 137 8 | 17 46 9 |
+-----------------+-----------------+----------------------+
| 9 (26) (27) | 8 356 5(7) | 4 1 6-37(5) |
| 4 8(6) 178 | 123 9 15(7) | (237) (27) -37(56) |
| 167 5 3 | 12 16 4 | 278 9 678 |
+-----------------+-----------------+----------------------+
| 3 7 5 | 9 4 2 | 6 8 1 |
| 8 9 4 | 6 15 15 | 237 27 37 |
| 2 1 6 | 7 8 3 | 9 5 4 |
+-----------------+-----------------+----------------------+
.-----------------.-------------------.-----------------.
| 17 4 9 | 5 2 6 | 178 3 78 |
| 167 368 178 | 134 137 9 | 5 46 2 |
| 5 236 b127 | 134 b137 8 | b17 46 9 |
:-----------------+-------------------+-----------------:
| 9 c26 ac27 | 8 c356 ac57 | 4 1 367-5 |
| 4 68 178 | 123 9 17-5 | 237 27 3567 |
| 167 5 3 | 12 16 4 | 278 9 678 |
:-----------------+-------------------+-----------------:
| 3 7 5 | 9 4 2 | 6 8 1 |
| 8 9 4 | 6 15 15 | 237 27 37 |
| 2 1 6 | 7 8 3 | 9 5 4 |
'-----------------'-------------------'-----------------'