PLL (Edge & Corner Only Cases)

Question 1

Ua

Answer 1

(R U’ R U) R U (R U’ R’ U’) R2

Question 2

Ub

Answer 2

R2 U (R U R’ U’) R’ U’ (R’ U R’)

Question 3

Z

Answer 3

(M2’ U M2’ U) (M’ U2) (M2’ U2 M’) [U2]

Question 4

H

Answer 4

(M2’ U M2’) U2 (M2’ U M2’)

Question 5

Aa

Answer 5

x (R’ U R’) D2 (R U’ R’) D2 R2 x’

Question 6

Ab

Answer 6

x R2’ D2 (R U R’) D2 (R U’ R) x’

Question 7

E

Answer 7

x’ (R U’ R’ D) (R U R’ D’) (R U R’ D) (R U’ R’ D’) x