OBL: An Intuitive Guide
An explanation of OBL from a user's perspective.
Right Axe / Left Axe
Recognition Tips
Mirrored axes; tents can't connect to form kites.
Algorithms
Best Alg: 0,-1/-3,0/-2,1/-1,-1/-3,0/0,1
Swap isolated edge on top with tent on bottom, forming opposite trees.
Color Mirror Algs
Use best alg canceled with /6,6/ at the end.
Other Algs
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1,0/-4,-1/-2,1/-1,-1/-3,0/0,1
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3,-1/4,1/2,-1/4,1/-4,-1/0,1:
Put shells on left, pair tent on bottom with edge from tent on top to form gem/spill.
Related Cases
Parent Cases
Relatively useful cases that can be reached in one slice from this case.
Mirrors
Left/Right Mirror:
When both the top and bottom face are swapped with their respective left/right mirrors.
Pseudo Mirrors:
When only one face is left/right mirrored. Not a real mirror, but it looks like one; don't be tricked!