D L U2 R2 B'      // 2x2x2 on DBR (5/5)
(F' L2 U' L U2)   // 2x2x3 on BR (5/10)
(L U' F' U)       // EO on UD-axis + 1p (4/14)
(F2)              // sq on L (1/15)
L2 B' L @ F' L' B // all but 3e (6/21)
@ = [M, F2]       // insert 3e comm (6-3/24)

B2 D2 B         // EO on FB-axis + sq on Dfl (3/3)
(D' F2 D)       // edge on FL, giving 2x2x2 on DFL (3/6)
(R U B2)        // 2x2x3 on DL (3/9)
(R2 U2)         // F2L-1p on L-UF (2/11)
([U2 L' D: B2]) // F2L on L using a conj, leaving H-perm on R (7-2/16)

skel: B2 D2 B $ U2 L' D B2 D' % L R2 B2 U' R' D' F2 D
$ = B' D2 B F' R2 F // insert 3e (6-5/17)
% = [E', L2 R2]     // insert 2e2e comm (8-5/20)

U F' R F' @ L' D' U // XX-Cross on L (7/7)
@ = B'              // insert for easy pair below + edge on DB (1/8)
U' R $ U            // 3rd pair on UFl, giving F2L-1c on L-DB (3-2/9)
D R B R' B' D'      // all edges using wrong OLL, leaving 5c (6/15)
$ = [R', D L' D']   // insert 3c comm (8-7/16)

rewrite: U F' R F' B' L2 D' R D L U R B R' B' % D'
% = [B2, D F D']    // insert 3c comm (8-2/22)

F D R D F' L'       // 2x2x2 on DFL (6/6)
(B2 U' B R2 U2 R')  // 2x2x3 on DF + EO on LR-axis (6/12)
(B' U B' U' B U')   // all edges using 2-gen, leaving separable 3c3c (6/18)

skel: F D R D F' L' U B' U B U' B R $ % U2 R2 B' U B2
$ = [R', B' U B U'] // insert 3c comm (10-7/21)
% = [B' U B, D2]    // insert 3c comm ( 8-6/23)

(F R' U' B2 R)     // EO on LR-axis +2p - 1p (5/5)
U2 B' L2 F2 U      // 1x2x3 on F (5/10)
F D F L2 F' D'     // F2L-1p on F-DR (6/16)
D B D' B D B D' B' // all edges, leaving 3c on B (8-2/22)
[B L B', R']       // 3c comm, -3 on inverse (8-2-3/25)

F' U2 R D2 B'            // 2x2x2 on UBL (5/5)
(R' F' R2 F' R' F')      // 2x2x3 on UL + EO on FB-axis + sq on D (6/11)
(R D' R D R' $ D' R' D2) // all edges using 2-gen, leaving 5e (8/19)
$ = [R D' R' D, F]       // insert 3c comm (10-8/21)

rewrite: F' U2 R D2 B' D2 R D F R D' R' D % F' R' F R F R2 F R
% = [D' R D, L] // insert 3c comm (8-6/23)
//==========================================================
nifty backup sol:
F B2 L U2 B @     // 2x2x2 on UBL (5/5)
F' $ D' F'        // EO on FB-axis (3/8)
R' D' F2          // 2x2x3 on UL (3/11)
R'                // all edges, leaving 5c+1tc (1/12)
@ = [B2, U F' U'] // insert 3c comm (8-1/19)
$ = [F U F', D2]  // insert 3c comm (8-7/20)

rewrite: F B2 L U2 B' U F' U' B2 U % D2 F U' F' D F' R' D' F2 R'
% = U' F2 U' B2 U' D2 B2 U' F2 D2 // insert COLL (10-5/25)

final: F B2 L U2 B' U F' U' B2 F2 U' B2 U' D2 B2 U' F' U' F' D F' R' D' F2 R'

(D B U' B2 R)        // 2x2x2 on DFR (5/5)
(L' B2 U L')         // pair on FLd (4/9)
(F' B' L F @ # U' $) // all edges, leaving 5c+1tc (5/14)
@ = [F', L' B2 L]    // insert 3c comm (8-5/17)
# = L' B2 L B2 U' L U2 R' U2 L' U' R U2 // insert 2tc alg (13-7/23)
$ = [U' R' U, L2]    // insert 3c comm (8-7/24)

(L' B L U' R)    // EO on LR-axis + 2p (5/5)
F' D2 L2 B2      // 1x2x3 on U (4/9)
U2 D' L2 @ U' F' // F2L-1p on U-FL (5/14)
L2 D'            // layer-1c on R-DF (2/16)
R' D L2 D' R     // all conrers, leaving 3e, -2 on inverse (5-2/19)
@ = [L2 U2, S']  // insert 3e comm (8-4/23)

(D' L' F B R)     // 2x2x2 on DFR + corner on UFR (5/5)
(R' D F' D' R)    // edge on UR + kick out edge in UF (5-2/8)
(L' R' U' R)      // edge on UF + edge on BR, XX-Cross on R\F (4-2/10)
(D L D2 B2 D B2)  // 4rd pair on UB (6/16)
L'                // edge on DL + corner on UBL (1/17)
B2 (B2)           // shift (1+1-2/17)
(L2 D' B' @ D L2) // all edges, leaving 3c (5/22)
@ = [B D B', U']  // insert 3c comm (8-4/26)

U B' L' U'   // pseudo 2x2x2 on UFL (4/4)
F D' F'      // sq on Dfl (3/7)
B2 D L' D'   // F2L-1p on L-DB (4/11)
D' R D       // sq on R + EO on UD-axis (3-1/13)
R' B R B' R2 // direct finish using 2-gen (5/18)

(B2 D' B @ U2 L) // 2x2x2 on UBL (5/5)
D' R D2 R2       // XX-Cross on U\B (4/9)
F' D2 F          // 3rd pair on FLu (3/12)
D2 F D2 F' D     // F2L on B instead, leaving 3c on F (5/17)
@ = [B' D B, U]  // insert 3c comm (8-6/19)

(U2 B' U L U')      // 2x2x2 on UFL (5/5)
D' B' R2 D2 B2 R' B // 2x2x3 on UL (7/12)
B' D' B             // EO on FB-axis (3-2/13)
D R D' R2 D R @ D'  // all edges, leaving separable 3c3c (7/20)
@ = [R' D2 R, U]    // insert 3c comm, -2 on inverse (8-3-2/23)

rewrite: D' B' R2 D2 B2 R' D' B D R D' R2 D' R U R' D2 # R D' L' U' B U2
# = [D2, R' U' R]   // insert 3c comm (8-4/27)

F2 L U' F2 U2 D B R       // X-Cross on D\BR (8/8)
(R U2 L' U L R')          // 2nd pair on FLd with ext (6/14)
(L U2 L')                 // 3rd pair on BLd (3-1/16)
R' F R F' U F' U F        // L5C alg, leaving 2e2e (8-2/22)
L (L)                     // shift for HTR (1+1-2/22)
(U2 L2 B2 D2 R2 D2 B2 L2) // 2e2e alg, -1 on normal (8-4-1/25)

(R @ D' F)         // EO on FB-axis (3/3)
@ = B2             // ext (1/4)
(U2 B2 D' R2 L)    // XX-Cross on U (5/9)
(L' R2 F2 L F2 R2) // pair from FLu to BRu (6-4/11)
(L D L' $ D)       // ZBLS + EP, leaving 3c+1tc on D (4/15)
$ = [L, D' R' D]   // insert 3c comm (8-6/17)

rewrite: D2 R' D L D' R' L' % F2 L' F2 D B2 U2 F' D B2 R'
% = [R B R', F]    // insert 3c comm (8-3/22)

U L2 D           // EO on UD-axis (3/3)
(B' L B2)        // 2x2x2 on UBR (3/6)
(D2 @ F L F2)    // 2x2x3 on UR (4/10)
L' D2 L2 F L F'  // F2L on U, leaving 3c on D, -1 on inverse (6-1/15)
@ = [D B D', F2] // insert 3c comm (8-2/21)

(@ F2 U' R2 F')         // EO on FB-axis (4/4)
(D2 L' R' D)            // 2x2x2 on DFR (4/8)
(L' U' L2)              // 2x2x3 on DF (3/11)
(R' B U2 B' U2 B' R B') // pair on UFl, leaving 3e on B (8/19)
@ = [U : #]             // insert conj for below (2/21)
# = [S, U' F2 U]        // insert 3e comm (10-5/26)

(D B' R')        // EO on LR-axis (3/3)
(U D L2 U2)      // pseudo 2x2x2 on UBR (4/7)
(L2)             // 1x2x3 on B (1/8)
(R2 F2 R2 B' D') // 1x1x3 bar at FL + 1x1x3 bar at FR + 2x2x2 on UBR (5/13)
(F' D2)          // F2L-1p on B-UL (2/15)
(U L' U') L'     // corner on DFL, giving F2L-1p on D-FR (3+1/19)
(F' U' F U)      // direct finish (4/23)

(U2 D L' B R2)      // 2x2x2 on UFR (5/5)
(B' L' D R' B @ R)  // 2x2x3 on FR (6/11)
(L' B L2)           // F2L-1p on F-DL + 1x1x3 bar (3/14)
(L B L' D' B' D B') // 1x2x3 on Br, leaving 3c on L (7-1/20)
@ = [B', R' F' R]   // insert 3c comm (8-4/24)

(F' B' L' B)     // EO on FB-axis + 1p (4/4)
D' F2 L          // sq on Fdl (3/7)
B2 U' R          // X-Cross on F\DR (3/10)
L' B2 U' L' U L  // F2L-1p on F-UR (6/16)
@ U' B2 U        // ZBLS + EP-skip, leaving 3c on B (3/19)
@ = [L' D L, U2] // insert 3c comm (8-3/24)

(F U L2 D' F')      // EO on FB-axis + 1x2x3 on U (5/5)
(U' L)              // 2x2x2 on DFL (2/7)
(B2 U2)             // XX-Cross on L (2/9)
U' R U              // 3rd pair on UFl (3/12)
(R2)                // sq on Rdf (1/13)
(D2 F2 U F U' F D2) // all corners, leaving 3e (7/20)

skel: U' R U D2 @ F' U F' U' F2 D2 R2 U2 B2 L' U F D L2 U' F'
@ = [E', F' U F] // insert 3e comm (10-8/22)

rewrite: U' R D' R' U R U D' { F2 U' F2 } D2 R2 U2 B2 L' U F D L2 U' F'
{ = E' // insert slice (2-5/19)
} = E  // insert slice (2-1/20)

D2 R                 // EO on LR-axis (2/2)
(B D F2 R2 B' L2 U2) // X-Cross on U\FR + 1c (7/9)
(U2 L2 U D' B2 U)    // sneak in 3e to solve FL+BR edges (6-4/11)
(U' B D' B' U)       // corner on UBR using keyhole (5-3/13)
(D2 L' D' L D2)      // pair on DLf + 1x1x3 bar (5/18)
(L' D2 L)            // all corners, leaving 3e (3/21)

skel: D2 R L' D2 L D2 L' @ D L D2 U' B D B D U' B R2 F2 D' B'
@ = [M, D L D'] // insert 3e comm (10-6/25)

rewrite: D2 R L' { D2 L D2 } L2 R F L F' R' L D' U' B D B D U' B R2 F2 D' B'
{ = M' // insert slice (2-4/23)
} = M  // insert slice (2-2/23)

R' B2            // pseudo 2x2x2 on DBR (2/2)
D' L D F D2      // 2x2x3 on FL (5/7)
R' B2            // edge on BL (2/9)
U R U'           // pair on UBl, giving F2L-1p on L-DB (3/12)
D' R' @ D        // pair on DBl, giving F2L on L (3/15)
R2               // all edges, leaving 3c on R (1/16)
@ = [R, B L2 B'] // insert 3c comm (8-2/22)

R2 U B L          // ext EO on LR-axis (4/4)
(B' U' F')        // sq on L (3/7)
(B % U' L2 D')    // 2x2x3 on BL + EO on UD-axis (4/11)
(F' R2 F' $ R2)   // all but 2tc (4/15)
$ = [F R2 F', L'] // insert 3c comm, -2 on normal (8-5-2/16)
% = [B : @]       // insert conj for below (2-1/17)
@ = [F R' F', L2] // insert 3c comm (8-2/23)

(D' R2 L' D2 B)  // 2x2x2 on UBR (5/5)
D'               // Cross on B (1/6)
U' F U @         // 2nd pair on ULb (3/9)
R' D2 R D2       // 3rd pair on DLb (4/13)
F'               // pair on FLd (1/14)
[D2 F2 R' : D']  // all corners using a conj, leaving 3e on F (7/21)
@ = [U' F' U, M] // insert 3e comm (10-7/24)

(B' L2 D2 F)     // EO on FB-axis + 2p (4/4)
(D B2 D R U' @)  // 2x2x2 on UBR (5/9)
(D F2)           // 2x2x3 on UR (2/11)
(L' D' L D2 L)   // all but 3c (5/16)
@ = [U B U', F2] // insert 3c comm (8-2/22)

(D' B2 D)      // sq on Rdb (3/3)
(F2 R' D' R) F // 2x2x3 on DR (4+1/8)
(U F U' F')    // F2L-1p on R-UF (4/12)
(U) U          // shift for 1p (1+1/14)
(B L' B' L2)   // sq on Luf (4/18)
(L B L' B')    // all corners, leaving 3e (4-1/21)

skel: F U B L B' L B L B' U' F U $ F' U' R' D R F2 D' B2 D
$ = [U' F' U, S] // insert 3e comm (10-10/21)

(F' L' B' R' B2)  // 2x2x2 on UBL (5/5)
(R' F R2 D2)      // 2x2x3 on BL (4/9)
(U' R' U F2)      // F2L-1p on L-DF (4/13)
(@ R' F' R2 F)    // EO on FB-axis (4/17)
(R2 D R' D')      // all corners, leaving 3e (4/21)
@ = [S', R' F' R] // insert 3e comm (10-6/25)

(D B2 L' F D2 B2 @ U)     // 2x2x3 on UB (7/7)
(F' L D L2 F2 L)          // F2L-1p on U-FL (6/13)
(F2) F2                   // shift to put solved corners together (1+1/15)
(R2 B R B' R)             // all corners, leaving 3e (5/20)
@ = B2 U2 R U2 B2 D2 L D2 // insert 3e alg (8-2/26)

(B' D2 R' L')     // ext EO on LR-axis (4/4)
(F' D)            // 1x2x3 on B + pseudo 2x2x2 on DBR (2/6)
(D F D' B')       // 2x2x3 on DB (4-1/9)
(F U F @ U F2)    // F2L-1p on D-FL (5/14)
(F U F' U')       // all but 3c on U (4-1/17)
@ = [F' D' F, U2] // insert 3c comm (8-3/22)

R' B2 R' U R' U F' // 2x2x3-1e on FL-UL (7/7)
(B' F' U' F)       // edge on UL + 1p (4/11)
(R2 B' R')         // F2L-1p on F-DR (3/14)
(R' B2 R)          // 2p (3-1/16)
(B R' @ B' R B)    // F2L + CLL, leaving 3e on B (5/21)
@ = [R B' R', E]   // insert 3e comm (10-6/25)

B U' R' L U          // 2x2x2 on UBR (5/5)
(L2 B D2 B')         // make pair for UFr (4/9)
(F2 D L' F)          // 2x2x3 on UR + EO on FB-axis (4/13)
(L' D2 L2 D2 L @ D') // F2L on R, leaving 3c on L (6/19)
@ = [L' D2 L, U]     // insert 3c comm, -1 on normal (8-5-1/21)

(F2 D' B' R' F)    // EO on FB-axis + 3p (5/5)
R2 F2 R            // 1x2x3 on F (3/8)
R2 B2 D F2 L2      // F2L-1p on F-UL (5-1/12)
D L' D' @ B D L D' // all corners using a conj, leaving 5e (7/19)
@ = D U' L' U D' B // insert 5e (6-3/22)

R' F' D' F         // EO on FB-axis (4/4)
(D B2 R' D' F2 L') // X-Cross on L\DF + sq on R (6/10)
(B2 R2 U R)        // F2L-1p on D-BL instead (4/14)
(U L U L' U)       // all edges, leaving 5c (5/19)
([U, F' D F])      // 3c comm, -6 on normal (8-1-6/20)

rewrite: R' U F' D' F U2 L U' L' U' R' @ U' R2 B2 L F2 D R B2 D'
@ = [R, U L2 U']   // insert 3c comm (8-6/22)

(U F L2 U L) // 2x2x2 on DFL (5/5)
(U B2)       // Cross on D (2/7)
R2 U' R'     // pseudo line on RE + 3p (3/10)
L U R2       // 2x2x3 on DR (3/13)
U2 L'        // all but 3e (2/15)

skel: R2 U' R' L U R2 U2 L' B2 U' L' @ U' L2 F' U'
@ = [M2, U' B' U] // insert 3e comm (10-3/22)

(D2 L' D2 F B L2)  // pseudo X-Cross on L\UB (6/6)
(B' D B2 R' B' D') // 2nd pair on DFl (6/12)
(R2 U')            // F2L-1p on L-DB (2/14)
(B U R2 U')        // lots of blocks (4/18)
(R B' D' R D)      // direct finish (5/23)

U (U')            // EO on UD-axis (1+1/2)
R F2 L B D2       // 2x2x2 on DFL + sq on Bur (5/7)
D2 F' L F @ D2    // EO on LR-axis using a conj (5-2/10)
B # R2            // 2x2x3 on DF (2/12)
B2 U2 B           // all but 2c2c (3/15)
@ = [F' L' F, R]  // insert 3c comm (8-6/17)
# = [B', D F2 D'] // insert 3c comm (8-3/22)

(R2 D' L2 F')         // X-Cross on L\UB + corner on DFL (4/4)
(R D R F D' R2 F' D') // F2L-1p on L-DB (8/12)
(R2 D' R' D)          // make last pair (4/16)
(D U' B' D' B U R)    // direct solve (7-1/22)

(U B' D' # F U2 R B) // 2x2x3 on UR (7/7)
(L D' L' @ D L D')   // sq on Dbr, giving F2L-1p on R-DF (6/13)
(D) D                // shift (1-2+1/13)
([R F' L : F2])      // all edges using a conj, leaving 3c+1tc (7/20)
@ = [L D L', U']     // insert 3c comm (8-6/22)
# = [D, B U B']      // insert 3c comm (8-5/25)

(B) D R' L2 F       // EO on FB-axis (1+4/5)
(U D L D' F2 B2 L') // 2x2x3 on BL (7/12)
(R F2)              // F2L-1e on L-DF (2/14)
(R2 D R2 D')        // all but 3c (4/18)

skel: D R' L2 F D R2 D' R2 F2 R' L F2 @ B2 D L' D' U' B'
@ = [L2, B R2 B'] // insert 3c comm (8-1/25)

L' F2 L2 U  // ext EO on UD-axis (4/4)
(R) B       // 2x2x2 on UBR (1+1/6)
(F2 D2 F')  // 2x2x3 on UR (3/9)
D2          // F2L-1p on R-DB (1/10)
L B' L2 B L // all but 3c on L (5/15)

skel: L' F2 L2 U B D2 L B' L2 B L F D2 F2 @ R'
@ = [F2, D B2 D'] // insert 3c comm (8-3/20)
============================================================
backup skel:
(R' F' B D U2) // 1x2x3 on B (5/5)
(R2 B2)        // 2x2x3 on BR (2/7)
(F' L F')      // EO on FB-axis (3/10)
(L' F2)        // F2L-1p on R-DF (2/12)
(L2 D' L' D)   // all edges, leaving 5c (4/16)

R2 B' L' D F' R           // X-Cross on D\FL (6/6)
(U2 F' U2 B' U' B U' F)   // F2L-1p on D-BR (8/14)
(U R' F' @ U L' U2 L F R) // alt ZBLS + EP-skip, leaving 3c on U, -3 on normal (9-3/20)
@ = [F, R B R']           // insert 3c comm (8-4/24)

U' B D' R U2 B'   // sq on D + sq on R + EO on FB-axis (6/6)
U2 R2 D2 L        // F2L-1p on F-DL (4/10)
D $ R2 (D R2)     // shift for 1x1x3 bar (2+2/14)
D' B2 D' B2 D2    // all corners, leaving 3e (5/19)
$ = [D' L' D, M2] // insert 3e comm (10-7/22)

F' U R2 B         // EO on FB-axis (4/4)
D R D             // sq on U + sq on R (3/7)
L' U2 R2          // XX-Cross on U\B (3/10)
(F2 D F2 D2)      // sq on Dbr, giving F2L-1p on B-DL (4/14)
(D2) D2           // shift for 2p (1-2+1/14)
(F2 L D' @ L' F2) // all edges, leaving 3c+1tc (5-2/17)
@ = [D L' D', R'] // insert 3c comm (8-6/19)

skel: F' U R2 B D R D L' U2 R2 D2 F2 L R' # D L' D' R F2
# = [L', D' R' D] // insert 3c comm (8-3/24)

(F) D L2 F       // EO on FB-axis (1+3/4)
U2 R2 D          // sq on R + sq on D (3/7)
R' D'            // 2x2x3 on BR (2/9)
(L U L U' @)     // sq on Lub, giving F2L-1p on B-DL (4/13)
(L2 U L U' F2 L) // ZBLS + EP-skip, leaving 3c on F (6/19)
@ = [U L' U', R] // insert 3c comm (8-6/21)

(D R' D' $ U' R')   // 2x2x2 on UBR (5/5)
(L F' L2 % D' L D') // 2x2x3 on BR + EO on UD-axis (6/11)
(F L' F' L2 F)      // all edges, leaving separable 3c3c (5/16)
$ = [D R D', L']    // insert 3c comm, leaving 5c (8-6/18)
% = [L2, F R F']    // insert 3c comm (8-6/20)

rewrite: F' L2 F L F' D L' D F R F' L2 F L' @ U L' D R D' L
@ = [L F' L', B']   // insert 3c comm (8-5/23)

(R D2 F' U2 R) // 2x2x2 on DBR (5/5)
U' R' F R      // EO on LR-axis (4/9)
L2 U2 F' L2    // 2x2x3 on DB + sq on Ful (4/13)
F' U' F        // all edges, leaving 5c (3/16)

skel: U' R' F R L2 U2 F' L2 F' U' F R' U2 F @ D2 R' #
@ = [F' U2 F, D'] // insert 3c comm (8-5/19)
# = [R D2 R', U2] // insert 3c comm (8-3/24)

D' L (L)      // EO on LR-axis (2+1/3)
F U2 B2 D B   // pseudo-pseudo 2x2x3 on UB (5/8)
R2 L2         // 2x2x3 on DF instead + sq on Bul (2/10)
F D' R2 D F'  // F2L-1p on F-UL using a conj (5/15)
B2 U B' U' B' // direct finish (5/20)

D2 L2 D2 R' B      // 2x2x2 on UBL (5/5)
(R' F2 D' F)       // 2x2x3 on UL (4/9)
(D2 B @ R2 B')     // EO on FB-axis (4/13)
(R' D' R2 D2 R' D) // F2L on L, leaving 3c on R (6/19)
@ = [B', R' F' R]  // insert 3c comm (8-3/24)

L F' B L               // EO on LR-axis + sq on B (4/4)
(B' U' B2 D' B' U2 B2) // 2x2x3 on BL (7/11)
(F2 D' F2 D)           // pair on DRb, giving F2L-1p on B-UR (4/15)
U2 (U)                 // partial shift for 1p (1+1/17)
F' D' F U' F' D        // layer on D + all corners, leaving 2e2e, -2 on inverse (6-2/21)

skel: L F' B L U2 F' D' F U' F' U' F2 D F2 B2 U2 $ B D B2 % U B
$ = U2 B' F R2 F' B   // insert 3e   (6-5/22)
% = B2 D2 F2 D2 B2 U2 // insert 2e2e (6-4/24)

(B2 U2 F)          // EO on FB-axis (3/3)
U R2 L2 U L2 D2 R2 // 2x2x3 on UR (7/10)
(D2 L' D2)         // F2L-1e on R-DB (3/13)
(L' D L D')        // all edges, leaving separable 3c+2tc (4/17)
([D L' D' L, F2])  // 3c comm to convert 2tc to 3c, leaving separable 3c3c (10-8/19)

skel: U R2 L2 U L2 D2 R2 F2 D L' D' $ L F2 D2 L D2 F' U2 B2
$ = [D L D', R'] // insert 3c comm (8-6/21)

rewrite: U R2 L2 U L2 D2 R2 F2 R' D L' D' L % R F2 D2 L D2 F' U2 B2
% = [L' D L D', F] // insert 3c comm (10-8/23)
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backup solution:
U L B2 U           // 2x2x2 on UBL (4/4)
(F)                // edge on FL (1/5)
U' R D R U         // pair on UFl, giving 2x2x3 on UL (5-2/8)
(D' R2 D2 R' D2)   // sq on Dfl, giving F2L-1p on L-DB (5/13)
(D' R' @ D)        // EO on UD-axis + EO on LR-axis (3-1/15)
(B R2 B' R2)       // F2L on L, leaving 3c on R (4/19)
@ = [R, D F' D' F] // insert 3c comm (10-5/24)