Algorithm
WD' TD2 (2 btm, 3 ftm, 4 qtm)
Order 4
Permutation
(dbl,dfr) (dlf,drb)
(rf1,br1,lb1,fl1) (dr1,dl2) (bd1,fd2) (dl1,dr2) (fd1,bd2) (rf2,fl2,lb2,br2)
(d1,++d3) (d2,++d4) (r1,++b3,+l2,-f4) (f1,+r2,-b4,++l3) (l1,+b2,-r4,++f3) (b1,++r3,+f2,-l4)
Algorithm
WD' TD2 (2 btm, 3 ftm, 4 qtm)