PLL Looks Numbers of 2 Sides.
First, you shall decide the color of the F-face.
n1_1 = R2 U S' U2 S U R2
n1_2 = (u) R2 U S' U2 S U R2 (u')
n1_3 = (u2) R2 U S' U2 S U R2 (u2)
n1_4 = (u') R2 U S' U2 S U R2 (u)

n1 = p7



n2 = p6



n3 = p2



n4 = p1



n5 = p4



n6 = p5



n7 = p3



n8 = p10



n9 = p18



n10 = p13



n11 = p11



n12 = p12



n13 = p9



n14 = p8



n15 = p21



n16 = p17+U'



n17 = p14+Dw



n18 = p15+D'w



n19 = p16+U+(u2)



n20 = p21



n16+U = p17



n17+D'w = p14



n18+Dw = p15



n19+U'+(u2) = p16



n21 = p19