Doug Li
Personal Records on 333.fm
Challenge
Single
Mean
Expand
Scramble
R' U' F U R D' R' L F U2 L F U2 B2 R2 U' D' L2 F2 D' L2 D R2 B2 R' U' F
Results
25
Solution
U L' U' F' B' L2 F' B U' L2 D2 L' D' F2 U L U' F' R2 B' R L' U2 R2 L
(R @ B F2 R2 F) // EO on FB-axis (5/5) U L' U' F2 # U' // 2x2x2 on UBR (5/10) D2 L // XX-Cross on U\B (2/12) L D2 L' D' // F2L-1p on B-DL (4-1/15) F2 U L U' // all corners but breaks BL edge, leaving 5e (4/19) @ = R L' U2 L R' F2 // insert 3e (6-3/22) # = F B' L2 B F' D2 // insert 3e (6-3/25)
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Weekly Competition 2026-32
Scramble 3
Weekly Competition 2026-32
Scramble 2
Weekly Competition 2026-32
Scramble 1
Scramble
R' U' F R' U L' F D F2 D' R' B' R U' R2 D' L2 D' F2 B2 D' R2 L2 F2 R' U' F
Results
24
Solution
B2 R F2 R' B2 R F2 U' B2 D2 R2 L U' D' B2 D L B' U2 B2 L2 B' L' B
R @ U' B2 D2 R2 // 2x2x2 on DFR (5/5) L U' D' B2 D // EO on UD-axis (5/10) L B' U2 // 2x2x3 on FR (3/13) B2 L2 B' L' B // F2L on D somehow, leaving 3c on U (5/18) @ = [R' B2 R, F2] // insert 3c comm (8-2/24)
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Scramble
R' U' F D2 F2 R2 U2 L2 D R2 D' B2 D' F D' F U' B F2 L D' F2 D2 U R' U' F
Results
23
Solution
L2 F B' U F' R2 U' B' U B' U B U R' F L2 D R2 D' L D R2 B2
(B2 D' @ L F' R) // EO on LR-axis (5/5) L2 F B' U F' R2 // 2x2x3 on DF (6/11) (U' B' U' B2) // F2L-1p on D-BL (4/15) (B' U' B U) // all but 3c on U (4-1/18) @ = [D R2 D', L'] // insert 3c comm (8-3/23)
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Doug Li's Practice #4
Scramble 1
Scramble
R' U' F B' D2 B D2 B L2 D2 U2 B' U2 L2 F' U' F' R2 U2 R' D2 U B U R' U' F
Results
23
Solution
D2 F2 R F2 D' R' D R D2 R' D' B2 U' B R D2 R' U2 R D R' U2 R'
(R2 @ D R' B' U B2) // X-Cross on U\BL (6/6) D2 F2 R F2 R' // F2L-1p on U-BR (5/11) R D2 R' // F2L on U (3-2/12) R D R' D R D2 R' D' // all but 3c using Sune (8-3/17) @ = [R' U2 R, D'] // insert 3c comm (8-2/23)
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Scramble
R' U' F U' R L U' L U' D' B R U2 D' F2 R2 U R2 L2 U' R2 D R2 F2 R' U' F
Results
24
Solution
F' L' D F2 L2 D R D' L2 D R' D2 L2 D R2 D' R' U' L2 D2 B' U' R' B2
F' (B2 R U B) // EO on FB-axis (1+4/5) (D2 L2 U R D R2 D') // 2x2x3 on BR + pair on DFr (7/12) L' D F2 @ D' L2 // F2L on R, leaving 3c on L (5/17) @ = [L2, D R D'] // insert 3c comm (8-1/24)
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Scramble
R' U' F D F2 U R2 U2 F2 U' F2 D' L2 R' D B' F L' F' L' R' D' B F R' U' F
Results
21
Solution
L2 U2 R D' B' L2 B' U2 F U' B' U2 F' U2 F' D2 B U' B' L2 U'
L2 U2 R // EO on LR-axis (3/3) (U L2 D2 B) // edge on UF + sq on B + sq on L (4/7) (U @ F # U') // 2x2x2-1c on UFR (3/10) (L2 B2 D) // all edges, leaving separable 3c+2tc (3/13) @ = [U', B' D2 B] // insert 3c comm, leaving 2tc (8-6/15) # = B' U2 F U2 B U F' U2 B L2 B' L2 U // insert 2tc alg (13-7/21)
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Weekly Competition 2026-31
Scramble 3
Scramble
R' U' F R2 F2 L2 D' U' R2 F2 U L2 B U' R' D' R2 B' L F' R' D2 U R' U' F
Results
22
Solution
D2 R L' B' U B' R2 B' L B R2 F' B' R U R2 F2 R L2 U L U'
D2 R L' B' U B2 // 2x2x2 on DBR (6/6) L @ F' R U R2 // pseudo 2x2x3 on BR (5/11) F2 R // F2L-1p on R-UF (2/13) L2 U L U' // all but 3c (4/17) @ = [L', B R2 B'] // insert 3c comm (8-3/22)
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Weekly Competition 2026-31
Scramble 2
Scramble
R' U' F L2 B2 U' R2 U' B2 F2 U R2 D2 B2 L' R F' R' U2 R' D' B2 U2 F2 R' U' F
Results
26
Solution
D' B R U2 F R' F2 L' D R2 D' L2 D R2 U2 L2 D2 R' D' L D R F2 U L U'
D' B R U2 F // EO on FB-axis (5/5) R' F2 L # U2 // 2x2x2 on UBR (4/9) D // EO on UD-axis (1/10) L2 D2 // 2x2x3 on BR (2/12) D' L D @ F2 // F2L-1p on R-UF, but breaks UD-EO (4-1/15) U L U' // all edges, leaving 3c+1tc (3/18) @ = [D' L' D, R'] // insert 3c comm (8-5/21) # = [L2, D R2 D'] // insert 3c comm (8-3/26)
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Weekly Competition 2026-31
Scramble 1
Scramble
R' U' F L' U2 R' U2 B2 U2 L F2 L' D2 L U F U2 B2 D F L F2 D2 B R' U' F
Results
24
Solution
R2 B U B2 L F2 B' D' B D B U' F2 D2 F2 D2 L2 D F U L2 U' F' D'
R2 B U B2 L F2 U' // X-Cross on R\UB + EO on LR-axis (7/7) (B' L2 @ B L2) // make pair for DFr + make pair for UFr (4/11) (D2 F2 D2 F2) // F2L-1p on R-DB (4/15) ([U B' D': B']) // all corners, leaving 3e, -2 on normal (7-2/20) @ = [L2, B D F U] // insert 3e comm (10-6/24)
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Scramble
R' U' F R2 F2 D2 L2 D L2 D L2 U L2 B2 U2 L' B F' R F' L' U' B' D2 R' U' F
Results
23
Solution
L' F' U' F' U F' L2 U L2 F' U2 F2 U2 D B' U F2 U' B2 U F2 R' D'
(D R U' @ B' D') // 2x2x2 on DBR (5/5) (U2 F2 U2 F U') // 2x2x3 on BR (5/10) (U L2 U' L') // F2L-1p on B-DL (4-2/12) (L') L' // shift for EO on LR-axis (1-1+1/13) (F U' F U F) // ZBLS, leaving 3c on F (5/18) @ = [U F2 U', B2] // insert 3c comm (8-3/23)
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Scramble
R' U' F D' B2 R2 F2 L2 U2 R2 U' R2 U' F2 U2 F U B U2 R F' D' B2 D R' U' F
Results
25
Solution
B U F' D R F' L2 D R' D' R L2 D' L' F2 L D L' B D' F' D B' D' L
B U F' R // 2x2x2 on UBR (4/4) R' D R D' // Cross on R (4-2/6) (L' F D # L D' L) // 2x2x3 on BR instead (6/12) (L2 F2 L F) // sq on Fur (4-1/15) (F' D R' D R D' @ F D') // fix 2fe, leaving 5c, -2 on normal (8-2-2/19) @ = [D R' D', L2] // insert 3c comm (8-6/21) # = [D' F' D, B] // insert 3c comm (8-4/25)
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Scramble
R' U' F D2 F2 L' B2 L D2 B2 L' F2 R2 F2 U' L F R2 F' D L' U' F' U2 R' U' F
Results
22
Solution
B R F2 R' L2 F D2 F' L B2 L' F L B L2 D' L U D B D' B'
B R F2 R' L2 F D U // X-Cross on F\UL (8/8) U' D L @ B' L2 D' L U // F2L-1p on F-DR (8-3/13) D B D' B' // F2L on F, leaving 3c on B (4/17) @ = [L' F' L, B2] // insert 3c comm (8-3/22)
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Scramble
R' U' F D' U L2 F2 L2 B2 D R2 D' F2 U B2 L' B2 F2 U2 B D' R2 F' D' R' U' F
Results
20
Solution
B2 L' B' R B R' L U' L' B L U2 B' L' B R' L D B' L'
too easy: (L B D' R) // 2x2x3 on DF (4/4) (L' B' L) // EO on LR-axis (3/7) (B U2 @ B2) // all corners, leaving 5e (3/10) @ = L' B' L R' U # R // insert 3e (6/16) # = [U' R U, M] // insert 3e comm (10-6/20) //========================================================== backup 22: (B L2 D2 R) // EO on LR-axis + sq on D (4/4) R2 # D' F2 @ R2 // 1x2x3 on Db (4/8) D2 B' D2 F' U // all but 5c (5/13) @ = [F2, D B' D'] // insert 3c comm (8-4/17) # = [D F2 D', B'] // insert 3c comm (8-3/22) final: R2 D F2 D' B' D F2 D2 F2 D B D' R2 D2 B' D2 F' U R' D2 L2 B'
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Weekly Competition 2026-30
Scramble 3
Scramble
R' U' F D2 B2 F2 R2 D U' L2 U F2 D2 L' U' F U' F' D U2 L' F' D' R' U' F
Results
22
Solution
B' R D2 F' B' D' F D F2 D R D R2 D2 R2 D2 L' U2 L D L' U2
B' R D2 B' (L) // 2x2x2 on UBL (4+1/5) F' D' F D F2 // EO on FB-axis + 2x2x3 on UL (5/10) D R D R2 D2 R2 D' // all but 3c using 2-gen (7/17) [D', L' U2 L] // 3c comm, -2 on inverse (8-1-2/22)
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Weekly Competition 2026-30
Scramble 2
Scramble
R' U' F U2 B2 D2 B2 L2 F' L B' D F2 L2 F U2 L2 F' D2 L2 D2 F R2 B2 R' U' F
Results
22
Solution
U F2 U F U' F' U' F D2 B R B' L2 B R' L2 D' B2 D' L2 F2 U
// EO on LR-axis (0/0) (U' F2 L2 D B2 D') // 2x2x2 on DBL + 2e (6/6) (D2 L2 B' L2 @ D2) // 2x2x3 on DB (5-1/10) (F' U F U F' U' F2 U') // all but A-Perm on R (8/18) @ = [L2, B R B'] // insert 3c comm (8-4/22)
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Weekly Competition 2026-30
Scramble 1
Scramble
R' U' F L2 B2 U2 L2 F2 U B2 U2 R2 U2 F2 L2 F' D2 R' B2 U L U2 R U2 R' U' F
Results
24
Solution
R' L D' B R' F2 U' F2 U L' D F2 D' L2 F L' U' L' U' L' U' L U L'
R' L D' B R' // 2x2x2 on DBR (5/5) (L2 U @) // 2x2x3 on BR (2/7) (L2 F' L2 D F2 D' L) // sq on Ldb + 3e (7/14) (U' F2 U F2) // all corners, leaving 3e (4/18) @ = U' L' U' L' U L U L U L' // insert 3e alg (10-4/24)
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