Basic ZZF2L

123
U’ R U’ R’ U R U R’ R U R’ U2 R U’ R’ U’ R U R’
456
R’ U2 R2 U R2 U R U R’ D R U’ R’ D’ R U' R U' R' U2 R U' R'
789
U R U’ R’ U' R U R' U2 R U' R' U' R U2 R' U2 R U' R'
101112
R U' R U2 R2 U' R2 U' R2 R U2 R’ U’ R U R’ U R U2 R’ U R U’ R’
131415
R U’ R’ U2 R U R’ U2 R2 U2 R' U' R U' R2 R2 U R2 U R2 U2 R2
1617
R U' R' U R U' R' R U R' U' R U R'
181920
R2 U2 R' U' R U' R' U2 R' R U2 R U R' U R U2 R2 R' U' R' U' R' U R U R
Average move count = 7.5 moves