R u D' r'
F' u' r U2 r' R' u y' l U2 r'
U' U' F m' u' R
(x y') x R' F F
U' r U' r' U r U
x' 3r l' x' U 3r U' U' 3R U' 3r' r2
3R U' U' r
3R U' r
u y' R' U' R
u d
R U' R' u' u' u'
y U' F R' F' R u'
U2 F R' F' R u
U' R U' R' u' R' F R F' R U' R' u
U R U' R' U R U' R' L U U L'
y' R' U' U' R
3d R' U' R U R' U' R
L' U L y' U' R U' R'
U' D' U' R U R' U' D R2 U' R U' R' U R' U R2