Set up (Speffz):
A: *N/A*
B: R' U R U'
C: *N/A*
D: L U' L' U
E: B L' B'
F: B L2 B'
G: B L B'
H: u' L' u
I: *N/A*
J: U R U'
K: *N/A*
L: U' L' U
M: B' R B
N: u R u'
O: B' R' B
P: B' R2 B
Q: B' R B U R2 U'
R: U' L U
S: *N/A*
T: U R' U'
U: *N/A*
V: U R2 U'
W: *N/A*
X: U' L2 U
Just watch what these 'algs' do with where the target sticker starts and ends. You'll start to notice eventually what's going on. Or not, and you can just memo the set-up and undo it after the M2