3CLL
Niche
Every case cross-checked
Finish the last corners when the edges and the other corners are solved.
CP A+
(U2') Rv U2' L U' R2' U L' U' R2 U2' Rv'
9 HTM · 1 alg
CP A-
(U2') BRv U2 R' U L2 U' R U L2' U2 DLv
9 HTM · 1 alg
CP D+
(U2) Uv2 BL L2 U' R' U L' U' R U L' BL' Dv2
11 HTM · 1 alg
CP D-
(U') Dv2 BR' R2' U L U' R U L' U' R BR Uv2
11 HTM · 1 alg
O2 A-
(U2') R2' DR' R U L U' R' DR R2 U L' U'
12 HTM · 1 alg
TU A-
(U2') Uv Lv DR U' R U L' U' R' U L DR' Lv' Dv
10 HTM · 1 alg
TU A+
(U') Dv Rv' DL' U L' U' R U L U' R' DL Rv Uv
10 HTM · 1 alg
UL A-
(U2) Bv U2' R' U L2 U' R U L2' U Fv
9 HTM · 1 alg
UL A+
(U2') Uv2 Fv U2 L U' R2' U L' U' R2 U' Bv Dv2
9 HTM · 1 alg
UL D-
(U') Dv Rv' U' R U L' U' R2' U L U' R U Rv Uv
11 HTM · 1 alg
UL D+
(U2) Uv Lv U L' U' R U L2 U' R' U L' U' Lv' Dv
11 HTM · 1 alg
UT A- (12)
(U') Dv Rv' DL' R U L' U' R' U L U' DL Rv Uv
10 HTM · 1 alg
TL A-
(U2') Uv2 Lv U' R' U L' U' R U L Lv' Dv2
8 HTM · 1 alg
TL A+
(U2') Dv Rv' U L U' R U L' U' R' Rv Uv
8 HTM · 1 alg
UT A- (15)
(U2') Uv Lv DR L' U' R U L U' R' U DR' Lv' Dv
10 HTM · 1 alg
O2 A+
(U2') Uv L U' R2' DR' R U L' U' R' DR R2 U Dv
12 HTM · 1 alg
TL D-
(U') Dv Rv' R U L' U' R' U L U' Rv Uv
8 HTM · 1 alg
TL D+
(U2) Uv Lv L' U' R U L U' R' U Lv' Dv
8 HTM · 1 alg
LU A+
(U2) Bv U' L2 U' R' U L2' U' R U2 Fv
9 HTM · 1 alg
LU D-
(U') Uv Lv U L U' R U L2' U' R' U L U' Lv' Dv
11 HTM · 1 alg
LU D+
(U2) Dv Rv' U' R' U L' U' R2 U L U' R' U Rv Uv
11 HTM · 1 alg
Case (case 22)
(U2') R U2' R DBR R' U2 R DBR' R2'
9 HTM · 1 alg
TU D-
(U') Uv2 Lv DL' U' R' U L' U' R U L DL Lv' Dv2
10 HTM · 1 alg
LT A-
(U2') Dv Rv' R U L U' R' U L' U' Rv Uv
8 HTM · 1 alg
TU D+
(U2) Uv2 Lv DR U L U' R U L' U' R' DR' Lv' Dv2
10 HTM · 1 alg
LT A+
(U2') Uv2 Lv L' U' R' U L U' R U Lv' Dv2
8 HTM · 1 alg
O2 D+
(U2) Uv2 Lv R2' DR' R U L' U' R' DR R2 U L U' Lv' Dv2
12 HTM · 1 alg
LT D-
(U') Uv Lv U' R U L' U' R' U L Lv' Dv
8 HTM · 1 alg
LT D+
(U2) Dv Rv' U L' U' R U L U' R' Rv Uv
8 HTM · 1 alg
Case (case 30)
(U') BL L F R F' L' F R' F' BL'
10 HTM · 1 alg
UT D+
(U2) Uv2 Lv DL' L' U' R' U L U' R U DL Lv' Dv2
10 HTM · 1 alg
O2 D-
(U2) Uv2 Lv U L' U' R2' DR' R U L U' R' DR R2 Lv' Dv2
12 HTM · 1 alg
NI A+
(U2') R' U L U' R U L' U'
8 HTM · 1 alg
AN A+
(U2') Uv2 Lv R' U L2' U2 R2 U2' L2 U2 R2' U2 R Lv' Dv2
11 HTM · 1 alg
NI A-
(U2') Uv L U' R' U L' U' R U Dv
8 HTM · 1 alg
AN A-
(U2') Dv Rv' L U' R2 U2' L2' U2 R2' U2' L2 U2' L' Rv Uv
11 HTM · 1 alg
O3 A-
(U2) R U2 L' U2 R' U R U2 L U2' R' U L' U L U2'
16 HTM · 1 alg
O3 A+
(U2) Uv L' U2' R U2' L U' L' U2' R' U2 L U' R U' R' U2 Dv
16 HTM · 1 alg
NI D+
(U2) Uv Lv L' R U' R' U L U' R U R' Lv' Dv
10 HTM · 1 alg
AN D+
(U2) Rv' DL' L' U' R U L U' R' U DL Rv
10 HTM · 1 alg
O3 D-
(U2') BR' R U2 L' U2 R' U R U2 L U2' R' U L' U L U2' BR
18 HTM · 1 alg
O3 D+
(U2') BL L' U2' R U2' L U' L' U2' R' U2 L U' R U' R' U2 BL'
18 HTM · 1 alg
NI D-
(U') Uv Lv R U' R' U L' U' R U R' L Lv' Dv
10 HTM · 1 alg
AN D-
(U') Lv DR R U L' U' R' U L U' DR' Lv'
10 HTM · 1 alg
Source: Cubemuch, https://cubemuch.com/en/algs/megaminx/3cll/, retrieved 2026-10-29: case names and groups, and each case's algorithms: those credited to the community sheets it cites first, in its order, then those its search found, best-scored first (no votes or setups). The source's first six verified alternatives per case are retained; further generated variants are omitted to keep case pages and the client bundle bounded. Every algorithm shown was checked by the logic engine; rejected ones are listed in docs/db-exclusions.md.