Na perm
21 moves · 1 in 72 solves
The case · press play
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Set it up
Hold a solved cube yellow on top, green in front, and do:
R U R' U2 R U R2 F' R U R U' R' F R U' R' U' R U' R'How to spot it
Every side shows a 2×1 block at its right-hand end.