- Code: Select all
+-------+-------+-------+
| . . 3 | . . 1 | . . . |
| . 4 1 | . . 5 | . 9 . |
| 2 . . | . . 6 | . 5 3 |
+-------+-------+-------+
| 5 . 8 | . . . | . . 9 |
| . . . | . 7 . | . . . |
| 9 . . | . . . | 3 . 2 |
+-------+-------+-------+
| 3 8 . | 4 . . | . . 6 |
| . 2 . | 6 . . | 4 3 . |
| . . . | 3 . . | 8 . . |
+-------+-------+-------+
..3..1....41..5.9.2....6.535.8.....9....7....9.....3.238.4....6.2.6..43....3..8..
(27 digits appears to be the max for a symmetrical pi puzzle; you can get 32 - all the digits before the first 0 - without symmetry, though I haven't looked very far to see if there's actually an interesting puzzle there.
This one isn't too bad, but I do have an 8.3. And a 9.0 24 digit.)