Ua
Edges Only(M2 U M) U2 (M' U M2)
y2 (R U R' U R') U' R2 U' (R' U R' U R) [U2]
Setup M2' U' M' U2' M U' M2' y2
Case 1 of 4 in Edges Only
(M2 U M) U2 (M' U M2)
y2 (R U R' U R') U' R2 U' (R' U R' U R) [U2]
Setup M2' U' M' U2' M U' M2' y2
Case 1 of 4 in Edges Only