Because ksolve is a command line program hence you can only use it when calling it from a terminal/command prompt using the synthax as described in the readme.txt.Tried running ksolve+, but it didn't work? A window pops up very briefly, but nothing happens after that.
It took me a lot of sitting with my megaminx with a lot of confused turning to figure out. I'll try explain in a way that made sense to me.Me when trying to write a .def file:
mind = blown
but seriously can someone explain to me how to define orientation in non-trivial cases? 3x3 edges I sorta get, but for instance megaminx corners and edges. How do you define orientation?
I don't think this leads to a consistent definition of EO for all 12 face turns. Let's say we set up our megaminx with DFL DFR' DFL' DFR2 F' DFR' F and ignore the corners. This is a 3-cycle of edges around the frontmost corner. If we perform an F move, then the F-DFR edge moves to the F-DFL position and is flipped, so the F-DFR edge must originally have been misoriented since it stays on the equatorial zig-zag. By symmetry, this also applies to the DFR and DFL moves, which means that all three edges in this 3-cycle are flipped, but that violates EO parity.Then the axis for orientation goes from the front-most corner (green-turquoise-pale yellow) to the back-most corner (blue-yellow-light green). Then the following rules for figuring out edge orientation apply:
- Turning a face that does not contain the axis corner does not affect edge orientation.
- Turning a face that contains an axis corner flips 4 edges. The edge that is not flipped is the edge that is between the corner that moves out of the axis position and the corner that moves into the axis position. Or, the edge that stays on the equator zig-zag does not change orientation.
Looking at it again, you're right. I've came up with it about a year ago as part of an idea for an ZZ like approach to megaminx S2L (a terrible idea). Looking at it again now, I think I was on the wrong track trying to make it consistent with the common 3x3 definition of EO. Of course that doesn't matter at all for ksolve's purposes.I don't think this leads to a consistent definition of EO for all 12 face turns
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