15 move scrambles
Scramble Optimal Length Optimum Solutions Dan Harris found
D R' D B2 U' B2 F D' U' R' B R B2 L2 U2 6 moves 2 solutions 6 moves (R' B' D2 L D B2)
R2 F' U' R2 U D2 R' D' U2 R' L F2 D2 U B2 6 moves 6 solutions 6 moves (U' R2 B' D R' D)
U2 L2 U' L2 R2 U2 L2 B' R2 B' U2 F R2 F D 5 moves 3 solutions 5 moves (D2 F' D' F' B')
R U' F2 D F2 D' F2 R2 L2 B' R2 U F' B' R' 6 moves 1 solution 6 moves (F R' B' D F B')
F D2 F' R2 U' D' B' D2 U B L2 R D' U' B2 4 moves 1 solution 4 moves (R' D' R L2)
Scramble Optimal Length Optimum Solutions Dan Harris found
D R' D B2 U' B2 F D' U' R' B R B2 L2 U2 6 moves 2 solutions 6 moves (R' B' D2 L D B2)
R2 F' U' R2 U D2 R' D' U2 R' L F2 D2 U B2 6 moves 6 solutions 6 moves (U' R2 B' D R' D)
U2 L2 U' L2 R2 U2 L2 B' R2 B' U2 F R2 F D 5 moves 3 solutions 5 moves (D2 F' D' F' B')
R U' F2 D F2 D' F2 R2 L2 B' R2 U F' B' R' 6 moves 1 solution 6 moves (F R' B' D F B')
F D2 F' R2 U' D' B' D2 U B L2 R D' U' B2 4 moves 1 solution 4 moves (R' D' R L2)