OBL: An Intuitive Guide
An explanation of OBL from a user's perspective.
Left Spill / Right Spill
Recognition Tips
Good spill/spill; swapping spills breaks squareshape.
Algorithms
Best Alg: 1,0/-3,0/-3,0/-1,-1/0,1
Do CO into M2, make same trees with tent on top connecting with whale from bottom.
Color Mirror Algs
Use best alg canceled with /6,6/ at the end.
Other Algs
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-3,-4/0,3/0,3/1,1/-1,0
-
4,0/3,0/2,-1/3,0/0,1
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!