Δm*(p)
u1
d1
u2
Δ m ( u 1 , u 1 ) ⊕ R
Δ m ( u 1 , d 1 ) ⊕ G
Δ m ( u 1 , u 2 ) ⊕ B
Δ m ( d 1 , u 1 ) ⊕ G
Δ m ( d 1 , d 1 ) ⊕ R
Δ m ( d 1 , u 2 ) ⊕ G
Δ m ( u 2 , u 1 ) ⊕ B
Δ m ( u 2 , d 1 ) ⊕ G
Δ m ( u 2 , u 2 ) ⊕ R