Interesting puzzle, though it was a long one for me (there should be shorter paths).
- Code: Select all
+----------------------+----------------------+----------------------+
|#123 1238 6 | 9 *234 2347 | 5 13478 #13 |
| 5 1239 12349 | 234 8 2347 | 13467 1347 1369 |
| 7 389 3489 | 1 6 5 | 2 348 39 |
+----------------------+----------------------+----------------------+
| 8 123 123 | 2346 12345 9 | 136 1235 7 |
|*1236 4 7 | 236 123-5 123 | 8 9 *12356 |
| 12369 5 1239 | 7 123 8 | 136 123 4 |
+----------------------+----------------------+----------------------+
| 4 6 123 | 235 9 123 | 137 12357 8 |
| 1239 12389 12389 | 2345 7 1234 | 134 6 1235 |
|#123 7 5 | 8 *1234 6 | 9 1234 #123 |
+----------------------+----------------------+----------------------+
-5r5c5 as above
- Code: Select all
*------------------------------------------------------------------*
| a123 1238 6 | 9 234 2347 | 5 13478 b13 |
| 5 9 1234 | 23 8 2347 | 134 1347 6 |
| 7 38 348 | 1 6 5 | 2 348 9 |
|----------------------+--------------------+----------------------|
| 8 B123 B123 | 4 5 9 | 6 C123 7 |
| A123 4 7 | 6 123 123 | 8 9 5 |
| 6 5 9 | 7 123 8 | 13 123 4 |
|----------------------+--------------------+----------------------|
| 4 6 123 | 23 9 123 | 7 5 8 |
| 9 1238 1238 | 5 7 1234 | 134 6 c123 |
| X123 7 5 | 8 1234 6 | 9 4-13 c123 |
*------------------------------------------------------------------*
Digit in c1 can't be in r9c8
xr9c1
xr1c1 - r1c9 = xr89c9
xr5c1 - r4c23 = r4c8
=> -13r9c8
- Code: Select all
+-------------------+-------------------+-------------------+
| 123 d238-1 6 | 9 4 237 | 5 c1378 a13 |
| 5 9 123 | 23 8 237 | 4 137 6 |
| 7 38 4 | 1 6 5 | 2 b38 9 |
+-------------------+-------------------+-------------------+
| 8 123 123 | 4 5 9 | 6 123 7 |
| 123 4 7 | 6 123 123 | 8 9 5 |
| 6 5 9 | 7 123 8 | 13 123 4 |
+-------------------+-------------------+-------------------+
| 4 6 123 | 23 9 123 | 7 5 8 |
| 9 123 8 | 5 7 4 | 13 6 123 |
| 123 7 5 | 8 123 6 | 9 4 123 |
+-------------------+-------------------+-------------------+
(1=3)r1c9 - (3=8)r3c8 - r1c8 = 8r1c2 => -1r1c2
- Code: Select all
+-------------------+-------------------+-------------------+
|#123 238 6 | 9 4 237 | 5 1378 13 |
| 5 9 123 | 23 8 237 | 4 137 6 |
| 7 38 4 | 1 6 5 | 2 38 9 |
+-------------------+-------------------+-------------------+
| 8 123 123 | 4 5 9 | 6 123 7 |
|*123 4 7 | 6 #13-2 *123 | 8 9 5 |
| 6 5 9 | 7 *123 8 | 13 123 4 |
+-------------------+-------------------+-------------------+
| 4 6 123 | 23 9 123 | 7 5 8 |
| 9 123 8 | 5 7 4 | 13 6 123 |
|*123 7 5 | 8 *123 6 | 9 4 #123 |
+-------------------+-------------------+-------------------+
the digit in r5c5 must be twice in the corners, can't be 2:
It would leave an oddagon for 13 in the *-ed cells
Skyscraper and kite.
- Code: Select all
+-------------------+-------------------+-------------------+
| 123 238 6 | 9 4 237 | 5 1378 13 |
| 5 9 123 | 23 8 237 | 4 137 6 |
| 7 38 4 | 1 6 5 | 2 38 9 |
+-------------------+-------------------+-------------------+
| 8 *123 123 | 4 5 9 | 6 23-1 7 |
| 123 4 7 | 6 13 123 | 8 9 5 |
| 6 5 9 | 7 123 8 |*13 123 4 |
+-------------------+-------------------+-------------------+
| 4 6 123 | 23 9 123 | 7 5 8 |
| 9 *123 8 | 5 7 4 |*13 6 123 |
| 123 7 5 | 8 123 6 | 9 4 123 |
+-------------------+-------------------+-------------------+
skyscraper 1 => -1r4c8
- Code: Select all
+-------------------+-------------------+-------------------+
| 123 238 6 | 9 4 237 | 5 1378 13 |
| 5 9 123 | 23 8 237 | 4 137 6 |
| 7 38 4 | 1 6 5 | 2 38 9 |
+-------------------+-------------------+-------------------+
| 8 123 123 | 4 5 9 | 6 23 7 |
|*23 4 7 | 6 13 *123 | 8 9 5 |
| 6 5 9 | 7 23 8 | 13 123 4 |
+-------------------+-------------------+-------------------+
| 4 6 123 | 23 9 *123 | 7 5 8 |
| 9 123 8 | 5 7 4 | 13 6 123 |
| 13-2 7 5 | 8 *123 6 | 9 4 123 |
+-------------------+-------------------+-------------------+
kite 2 => -2r9c1
- Code: Select all
+-------------------+-------------------+-------------------+
| 123 238 6 | 9 4 237 | 5 1378 13 |
| 5 9 123 | 23 8 237 | 4 137 6 |
| 7 38 4 | 1 6 5 | 2 38 9 |
+-------------------+-------------------+-------------------+
| 8 123 123 | 4 5 9 | 6 23 7 |
| a23 4 7 | 6 13 b123 | 8 9 5 |
| 6 5 9 | 7 c23 8 | 13 123 4 |
+-------------------+-------------------+-------------------+
| 4 6 d123 |e23 9 e123 | 7 5 8 |
| 9 23-1 8 | 5 7 4 | 13 6 123 |
|da13 7 5 | 8 d123 6 | 9 4 123 |
+-------------------+-------------------+-------------------+
(1=32)r95c1 - r6c5 - r9c5 = r7c46 - (2=13)b7p37 => -1r8c2
- Code: Select all
+-------------------+-------------------+-------------------+
| 123 238 6 | 9 4 237 | 5 1378 13 |
| 5 9 123 | 23 8 237 | 4 137 6 |
| 7 38 4 | 1 6 5 | 2 38 9 |
+-------------------+-------------------+-------------------+
| 8 1 23 | 4 5 9 | 6 23 7 |
| 23 4 7 | 6 13 123 | 8 9 5 |
| 6 5 9 | 7 a23 8 |a13 123 4 |
+-------------------+-------------------+-------------------+
| 4 6 123 | 23 9 123 | 7 5 8 |
| 9 23 8 | 5 7 4 |b13 6 123 |
| 13 7 5 | 8 13-2 6 | 9 4 b23 |
+-------------------+-------------------+-------------------+
w-wing: (2=31)r6c57 - (1=3)r8c7 - (3=2)r9c9 => -2r9c5, stte