Design : David V. Winkler.
|
Pieces | 6 | A-E are congruent. |
Length | 6 | |
Holes | 9 | |
Solutions | 1 / 1 | |
Moves | 3 |
My question: Why doesn't he use #927 instead of #959?
Winkler answered:
This was a burr to demonstrate a bug in the IBM web burr solver. The symmetric piece is more satisfying, but this one was the one that exposed the bug.