SteveG48 wrote:As many of us know, Dan (ArkieTech) posted a myriad of daily puzzles during his time with us.
Thank you Steve for this tribute paid to Dan.
At the date of the original posting of this puzzle, I was not yet a member of this forum, neither of the AU forum.
I'd unlikely not have solved the proposed puzzle as today:
- Code: Select all
+-------------------+------------------+------------------+
| 69 7 1 | 2 36 4 | 39 5 8 |
| 46 8 34 | 9 367 5 | 237 23 1 |
| 59 2 35 | 8 37 1 | 379 4 6 |
+-------------------+------------------+------------------+
| a157* 9 c25-7 | 35 15* 8 | 6 23 4 |
| 3 6 8 | 4 2 7 | 1 9 5 |
| 15* 4 b25 | 6 159* 39 | 8 7 23 |
+-------------------+------------------+------------------+
| 47 3 47 | 1 8 2 | 5 6 9 |
| 8 5 9 | 7 4 6 | 23 1 23 |
| 2 1 6 | 35 59 39 | 4 8 7 |
+-------------------+------------------+------------------+
UR(15)r46c15 using mixed internal-external:
(7)r4c1 == (5-2)r6c3 = (2)r4c3 => -7 r4c3; ste