m_b_metcalf wrote:You might be interested in a pattern that was used in both games 1 and 39 in 'Patterns Game 1.0' (pages 1 and 99), again devised by jpf.denis_berthier wrote:Anyway, I find this puzzle very interesting. It has very few minimals compared to the other hard ones.It yields only five known valid puzzles:
- Code: Select all
. . . 6 . . . . .
5 7 4 1 . . . 3 .
2 . . . . . 1 8 5
. . . . . . . 4 .
. . . . 5 . . . .
. 1 . . . . . . .
6 3 9 . . . . . 2
. 8 . . . 9 5 7 6
. . . . . 4 . . .
I see. I tried it, but I got nothing after 30 minutes, so I killed the process.
However, the underlying pattern (...X.....XXXX...X.X.....XXX.......X.....X.....X.......XXX.....X.X...XXXX.....X...) gave me this, after some 20 minutes:
...3.....7548...3.6.....215.......4.....9.....7.......398.....4.6...2578.....6... # 16 FN C23.m/S2.p
(probably a morph of some of the 5 known ones)
What makes the Metcalf-B7B (I've seen no other name, so I got used to name it so) so different to me is, the pattern itself doesn't yield much compared to the other hard ones. Though I guess it doesn't matter in a top-down search for the hardest, as the digits are given.