- Code: Select all
*-----------*
|72.|..3|1..|
|51.|...|9..|
|..9|..5|...|
|---+---+---|
|...|8..|..6|
|...|.5.|2..|
|4.7|...|35.|
|---+---+---|
|84.|.32|...|
|...|..8|.6.|
|...|5..|..2|
*-----------*
Play/Print this puzzle online
*-----------*
|72.|..3|1..|
|51.|...|9..|
|..9|..5|...|
|---+---+---|
|...|8..|..6|
|...|.5.|2..|
|4.7|...|35.|
|---+---+---|
|84.|.32|...|
|...|..8|.6.|
|...|5..|..2|
*-----------*
*--------------------------------------------------------------*
| 7 2 46 | 9 468 3 | 1 48 5 |
| 5 1 46 | 247 24678 467 | 9 23478 347 |
| 3 8 9 | 1247 1247 5 | 6 247 47 |
|--------------------+--------------------+--------------------|
| 2 35 35 | 8 479 479 | 47 1 6 |
| 1 6 8 | 3 5 47 | 2 479 479 |
| 4 9 7 | 12 126 16 | 3 5 8 |
|--------------------+--------------------+--------------------|
| 8 4 15 | 6 3 2 | 57 79 179 |
| 9 b357 2 |b147 b147 8 |b45 6 134 |
| 6 37 a13 | 5 479-1 479-1 | 8 34 2 |
*--------------------------------------------------------------*
*--------------------------------------------------------------------*
| 7 2 46 | 9 468 3 | 1 48 5 |
| 5 1 46 | 247 24678 467 | 9 23478 347 |
| 3 8 9 | 1247 1247 5 | 6 247 47 |
*----------------------+----------------------+----------------------|
| 2 35 35 | 8 479 479 |b4-7 1 6 |
| 1 6 8 | 3 5 47 | 2 a479 a479 |
| 4 9 7 | 12 126 16 | 3 5 8 |
*----------------------+----------------------+----------------------|
| 8 4 f15 | 6 3 2 |g57 79 179 |
| 9 357 2 | 147 147 8 |c45 6 134 |
| 6 37 e13 | 5 1479 1479 | 8 d34 2 |
*--------------------------------------------------------------------*
Leren wrote:
- Code: Select all
*--------------------------------------------------------------*
| 7 2 46 | 9 468 3 | 1 48 5 |
| 5 1 46 | 247 24678 467 | 9 23478 347 |
| 3 8 9 | 1247 1247 5 | 6 247 47 |
|--------------------+--------------------+--------------------|
| 2 35 35 | 8 479 479 | 47 1 6 |
| 1 6 8 | 3 5 47 | 2 479 479 |
| 4 9 7 | 12 126 16 | 3 5 8 |
|--------------------+--------------------+--------------------|
| 8 4 15 | 6 3 2 | 57 79 179 |
| 9 b357 2 |b147 b147 8 |b45 6 134 |
| 6 37 a13 | 5 479-1 479-1 | 8 34 2 |
*--------------------------------------------------------------*
ALS XZ Rule: X = 3, Z = 1: (1=3) r9c3 - (3=1) r8c2457 => - 1 r9c56; stte
M-Wing 7A: (1=3)r9c3 - r8c2 = (3-1)r8c9 = 1r8c45 => -1 r9c56
daj95376 wrote: Leren, When an ALS uses (N-1) of N unsolved cells in a house/unit, you might want to take a closer look at the remaining unsolved cell.
*--------------------------------------------------------------*
| 7 2 46 | 9 468 3 | 1 48 5 |
| 5 1 46 | 247 24678 467 | 9 23478 347 |
| 3 8 9 | 1247 1247 5 | 6 247 47 |
|--------------------+--------------------+--------------------|
| 2 35 35 | 8 479 479 | 47 1 6 |
| 1 6 8 | 3 5 47 | 2 479 479 |
| 4 9 7 | 12 126 16 | 3 5 8 |
|--------------------+--------------------+--------------------|
| 8 4 5-1 | 6 3 2 | 57 79 d179D |
| 9 b357 2 | 147 147 8 | 45 6 c134C |
| 6 37 a13A | 5 1479 1479 | 8 34B 2 |
*--------------------------------------------------------------*
*--------------------------------------------------------------------*
| 7 2 46 | 9 468 3 | 1 48 5 |
| 5 1 46 | 247 24678 467 | 9 23478 347 |
| 3 8 9 | 1247 1247 5 | 6 247 47 |
|----------------------+----------------------+----------------------|
| 2 35 35 | 8 479 479 | 47 1 6 |
| 1 6 8 | 3 5 47 | 2 479 479 |
| 4 9 7 | 12 126 16 | 3 5 8 |
|----------------------+----------------------+----------------------|
| 8 4 b15 | 6 3 2 | 57 79 a179 |
| 9 c357 2 | 147 147 8 | 45 6 d34-1 |
| 6 37 13 | 5 1479 1479 | 8 34 2 |
*--------------------------------------------------------------------*
1r7c9=(1-5)r7c3=(5-3)r8c2=3r8c9 => -1r8c9; ste
M Wing Type 7B : (1=3) r9c3 - r9c8 = (3=1) r8c9 = (1) r8c45 => - 1 r9c56; stte