Doug Li
Personal Records on 333.fm
Challenge
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Mean
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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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Scramble
R' U' F R' F D' L' B' L' F' B U B2 R B2 R2 F2 D2 R' D2 L2 F2 U2 B2 R' U' F
Results
24
Solution
F' B2 L' F2 R B2 R2 U' R' D' R U2 R' L F' L' D R U' F2 U L2 D' F
(F' D L2 U') // EO on UD-axis + sq on F (4/4) F' B2 L' F2 R B2 R2 // 2x2x3 on DB (7/11) (F2) // F2L-1p on D-FR (1/12) ([U R' D' L: F]) // all but 3c using a conj (9/21) skel: F' B2 L' F2 R B2 R2 U R' D' @ L F' L' D R U' F2 U L2 D' F @ = [D, R U2 R'] // insert 3c comm (8-5/24) //========================================================== found another 24 after time: D' F R B' D2 # // pseudo 2x2x2 on DBL (5/5) (R2 D' B2 L' F D L') // 2x2x3 on BL (7/12) (R2 F2 R2 F' R F2 R2) // all but 3c (7/19) # = [D2, R' U2 R] // insert 3c comm, -1 on inverse (8-2-1/24)
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Scramble
R' U' F B2 D' R2 B2 U F2 L2 F2 L2 D' U' R' D' B' L2 F U' L2 F' R B2 R' U' F
Results
21
Solution
U F2 U2 B U' B' U2 F' B2 D2 B2 U2 D' L2 B2 R B' L' U2 R' L
(F2 R B R) // ext EO on LR-axis (4/4)
(U' F2 R2 F2 D2) // sq on B + sq on U + sq on F (5/9)
(B2 U2 F) // F2L-1p on L-UF (3/12)
U [F2 U2 B: U'] // F2L on L, leaving H-Perm on R, -1 on inverse (8-1/19)
skel: U F2 U2 B U' B' U2 F U2 B2 D2 F2 R2 F2 U $ R' B' R' F2 %
$ = U' F2 R2 B2 D' L2 B2 R2 // insert 2e2e (8-7/20)
% = F2 R L' U2 L R' // insert 3e (6-4/22)
rewrite: U F2 U2 B U' B' U2 F { U2 B2 D2 } F2 B2 D' L2 B2 R B' L' U2 L R'
{ = S2 // insert slice (2-1/23)
} = S2 // insert slice (2-4/21)
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Scramble
R' U' F B2 D' R2 B2 U F2 L2 F2 L2 D' U' R' D' B' L2 F U' L2 F' R B2 R' U' F
Results
23
Solution
F R U' F U F' R' F2 U' F2 U2 F' R U' R' U L' D2 L B' R U D
(U' D' R' B L' D2 L) // 2x2x3 on DB (7/7) (U' R U R') // EO on LR-axis (4/11) (F U') // sq on Fdl + sq on Ubr, leaving 2c1t2e (2/13) (U' F2 U F' U' F' U @ F') // F2L on B, leaving 3c on F (8-1/20) @ = [U' F U F', R] // insert 3c comm (10-7/23)
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Scramble
R' U' F L2 D' R2 U L2 F2 U R2 U R2 U L2 R' D B' U' R2 D' B D' F2 R' U' F
Results
23
Solution
F' R F R U2 F2 U F2 R' U R' U2 B2 R' L2 F2 R F L2 F' R' F U2
(U2 L2 @ F L2 R B2) // 2x2x2 on DBL + 2e (6/6) (U2 R U' R F2 U') // EO on UD-axis (6/12) (F2 U2 R2) // F2L-1p on B-DR (3/15) (R F' R' F) // F2L on B, leaving 3c on F (4-1/18) @ = [L2, F' R F] // insert 3c comm (8-3/23)
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Doug Li's Practice #3
Scramble 1
Doug Li's Practice #2
Scramble 1
Scramble
R' U' F D2 B2 F2 D' B2 U2 R2 B2 D F2 D' L' B' D' R2 F2 D2 B2 R2 F2 R' U' F
Results
24
Solution
U' D2 R' F' L F R F' L' B D2 L U' B2 R2 L' U' R' U' R D R2 U2 D'
D2 U' F' @ B // ext EO on FB-axis (4/4) D2 L U' B2 L' // X-Cross on B\DL (5/9) (U2 D R2 D') // pair on DFl, giving 2x2x3 on DL + sq on R, but breaks Cross on B (4/13) R2 U' R' U' R // F2L on D, leaving 3c on U (5/18) @ = [F R' F', L] // insert 3c comm (8-2/24)
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Scramble
R' U' F U2 F2 U' L2 R2 D F2 R2 D2 F2 U R U' R2 F L' B F D2 F U' R' U' F
Results
22
Solution
L' B L D' F' U2 F D' F' D' R' D L D' R U D R2 B' R' B' R2
L' B L F' U2 L // 2x2x2 on DFL (6/6) L' F $ D2 F' L % U // 2x2x3 on FL + EO on UD-axis (6-2/10) R2 B2 // F2L-1p on L-DB (2/12) B R' B' R2 // all edges, leaving 5c (4-1/15) $ = [F' U2 F, D'] // insert 3c comm (8-7/16) % = [L', D' R' D] // insert 3c comm (8-2/22)
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2
Scramble
R' U' F D R B D R' L U' D R' D R2 B2 D B2 D F2 D' R2 D F2 B2 R' U' F
Results
21
Solution
R' F R2 L' F L D' R' L U2 R D2 R' U2 B U R' F' U' R2 U
R' F R2 L' F (U') // 2x2x2 on UFR (5+1/6) (R2 U F R U' B' R) // 2x2x3 on UR + sq on D + EO on FB-axis (7/13) (D2 @ L' D L') // F2L on R, leaving 3c on L (4/17) @ = [D2, R' U2 R] // insert 3c comm (8-4/21)
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Scramble
R' U' F B2 U2 F' R2 B2 U2 F2 U2 L2 B U L' D2 L2 B' F' L' D2 U F' R' U' F
Results
24
Solution
B' U2 B2 U B2 R L F2 B D2 B R2 F B2 R' B' R U2 F' D F U2 F' D'
B' U2 B2 U // EO on UD-axis (4/4) B2 R L F2 // 2x2x2 on UFL (4/8) (R' B R @ B2 R2) // EO on LR-axis + 2x2x3 on UF (5/13) (B' D2 B') // all edges, leaving 5c (3/16) @ = [R' B' R, F] // insert 3c comm (8-6/18) rewrite: B' U2 B2 U B2 R L F2 B D2 B R2 B2 F R' B' R F' # # = [F U2 F', D] // insert 3c comm (8-2/24)
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Scramble
R' U' F B' U2 R' L' F U D2 F' B2 R U2 B2 R2 B2 U R2 L2 D' B2 D2 R' U' F
Results
23
Solution
D2 L2 F2 U' D' B D' F' B' U' B U F B2 D' F D' F' D2 L' D' F' B2
(F B2 D L) // EO on LR-axis + sq on Dfl + 2p (4/4) D2 L2 F2 U' D2 // 2x2x3 on FL (5/9) D B D' B2 // F2L-1p on L-DB (4-1/12) R' B R @ B' // 1p (4/16) D' F D' F' D2 // all corners, leaving 3e (5/21) @ = [R' B' R, S] // insert 3e comm (10-8/23)
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Scramble
R' U' F B R2 U D R' B R2 U2 R L2 B2 U' R2 F2 D2 L2 D' F2 R2 U L2 R' U' F
Results
23
Solution
D' B D2 L2 D' L' B2 L' F U D' F' R B L2 B' R' B L F2 L B' L2
(L F2 L @ # F D U' F') // X-Cross on F\UR + 1e (7/7) (L B2 L D L2 D') // 2nd pair on ULf (6/13) (D' B' D) // 3rd pair on DLf, leaving 5c (3-1/15) @ = [L' F2 L, B] // insert 3c comm (8-5/18) # = [B L2 B', R] // insert 3c comm (8-3/23)
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Weekly Competition 2026-29
Scramble 3
Scramble
R' U' F L2 U' L2 B2 L2 D' U' F2 U' L2 D' R F' L2 D' R' U2 R2 B2 D' U R' U' F
Results
24
Solution
R2 L' U' R' U B' U' R F U' L' U R2 U' L F U2 F2 U' D2 F' U2 L2 F'
L' R B' $ R // EO on LR-axis (4/4) (F L2 U2 F D2) // 2x2x2 on DBL (5/9) U' F R2 // 2x2x3 on DB (3/12) U' % F U2 F2 U' // all edges, leaving 5c (5/17) $ = [B, R U' R' U] // insert 3c comm (10-7/20) % = [U R2 U', L'] // insert 3c comm ( 8-4/24)
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Weekly Competition 2026-29
Scramble 2
Scramble
R' U' F B D2 L2 B' R2 F U2 F2 R2 F' D2 R B2 U R' B D2 F' D U' B R' U' F
Results
23
Solution
F2 D2 L2 D' B' R2 F2 B2 U' F B' R2 B U2 B' R2 U2 R L2 D' R' L2 U2
F2 D2 L2 D' F' U2 // 1x2x3 on Ld + sq on Ubl (6/6) ([U2 L2 R: D]) // Line on DM, giving F2L-1p on L-UF (7/13) (R2 F R2 F' @ R') // F2L on L + CLL-skip, leaving 4fe on R (5/18) @ = F R2 F' B U2 B' // insert 3e, leaving 3e+2fe (6-6/18) (R' F' B U B' F) // 5e, leaving 3e (6-1/23) (F B' R2 B F' U2) // 3e, -4 on normal (6-2-4/23)
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Weekly Competition 2026-29
Scramble 1
Scramble
R' U' F R2 L D2 R' F' D' R B' L' U2 F2 R2 B2 D' R2 U2 R2 B2 U' R2 B2 R' U' F
Results
22
Solution
U B2 U R B' D B' D' F' L2 F2 D F2 L2 B2 D F D L2 U D L'
(L) U B2 U R // ext EO on LR-axis (1+4/5) (D' U' L2 D' F' D' F) // 2x2x3 on DL + pair on UFl (7/12) (F' U @ F) // edge on UL, giving F2L-1p on L-UB (3-2/13) (B2 D B D' B) // all corners, leaving 3e (5/18) @ = U' B2 L2 F2 D' F2 L2 B2 // insert 3e alg (8-4/22)
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Scramble
R' U' F B2 R2 D2 L' R2 U2 R' B2 R B2 F D2 L' R2 D B L2 U' L' B F R' U' F
Results
23
Solution
B' R' D L' U D' R2 L U2 L' U L' U2 R2 U L2 U' R2 U' F' L U F'
B' (F U' L' F) // EO on FB-axis (1+4/5) R' D L' D' U R2 // XX-Cross on R\F + 1e (6/11) L U' L U // sq on Luf (4/15) U' (U') // shift for F2L-1c on R-DB + 1p (1-2+1/15) L' U' L' U L' U' L2 @ U // all but 3c on B using Sune, -1 on inverse (8-3-1/19) @ = [L2, U' R2 U] // insert 3c comm (8-4/23)
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