Scramble
R' U' F R2 F' L B U F D B' R' D F' D2 B' R2 L2 F' R2 U2 R2 F D2 R' U' F
Skeleton
R' F' R' F            // sq on D (4/4)
B2 D2                 // pseudo 2x2x2 on DBL (2/6)
(U' F D F)            // pseudo 2x2x3 on DL + 2p (4/10)
(R' U2 F')            // F2L-1p on D-BR (3/13)
(R' U R U R' U' R U2) // all edges using 2-gen, leaving 3c (8/21)

21 to 3C
Algorithms
3 Corners
Pure 3 Corners
Cycles
Corners
1
Greedy
2
Status
Finished
Calculation Duration
1.063511ms
Fewest Moves
22
Solutions
Insertions
1
Skeleton
R' F' R' F B2 U2 D2 R' U R U' 😱 R' U' R F U2 R F' D' F' U
😱:
U' F U R' U' R F' R' U R (10-9)
Final Solution
R' F' R' F B2 U2 D2 R' U R U2 F U R' U' R U2 R F' D' F' U
Cancellation
9
Insertions
1
Skeleton
R' F' R' F B2 U2 D2 R' U R U' 😱 R' U' R F U2 R F' D' F' U
😱:
U' F U R' U' R F' R' U R (10-9)
Final Solution
R' F' R' F B2 U2 D2 R' U R U2 F U R' U' R U2 R F' D' F' U
Cancellation
9