(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)

(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)
============================================================
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)

(R B' F' D)        // EO on UD-axis + 3p - 1p (4/4)
F' R L'            // Cross on U + 2c (3/7)
L F2 L F' D2 F' L' // F2L-1p on U-BR (7-2/12)
B2 L B @ L' D2 B   // F2L on L instead, leaving 3c on R (6/18)
@ = [B', L F2 L']  // insert 3c comm (8-4/22)

B2 R' D'           // EO on UD-axis (3/3)
F2 B2 L' F         // 2x2x2 on UFL (4/7)
F' B2 R2 B2 @ F    // pseudo 2x2x2 on DBL (5-2/10)
R' D2              // F2L-1p on F-UR (2/12)
B2 (B')            // corner on DBL + fix parity (1+1/14)
R' U R U'          // all corners leaving 5e (4/18)
@ = D B D' U R' U' // insert 5e (6/24)

B2 D' R'        // EO on LR-axis (3/3)
D' B U F        // 2x2x2 on UFR (4/7)
F' D2 F B       // 2x2x3 on UR (4-2/9)
(D2 B D2 B' D') // sq on Dbr + pair on BLu (5/14)
(F2 L2) F2 L2   // shift for 2p (2+2-1/17)
(F2 D F' D' F') // direct finish (5/22)

(B) L D F           // EO on FB-axis (1+3/4)
R D2 B2 U2          // 2x2x2 on UBL (4/8)
F2 % $ D R F2       // F2L-1p on U-FL (4/12)
F2 R F R' F L D' L' // L5E alg, leaving 2e2e (8-3/17)
% = [F2 U2, M]      // insert 3e comm ( 8-4/21)
$ = [M, D R D']     // insert 3e comm (10-7/24)

(B' R' F' L U')        // X-Cross on F\UR (5/5)
[D2 R2 U2 : L']        // pair on DRf, giving 2x2x3 on on FR (7/12)
[D2 R2 U2 : F']        // UL edge to FL, giving sq on L (7-6/13)
L'                     // F2L-1p on F-DL, leaving 3c5e (1/14)
L2 F' R F L2 F' @ R' F // 3c comm, leaving 5e (8-1/21)
@ = R' L $ B L' R D'   // insert wrong 5e comm, leaving 3e (6/27)
$ = [M, D L2 D']       // insert 3e comm (10-12/25)

L (B' R2 D R2 L F2 L2 F') // 2x2x3 on UL (1+8/9)
D' R2 B' D B              // F2L-1e on U-FR (5/14)
B' D' L' D L B D'         // CLL, leaving 3e (7-4/17)
(F L2 U2 R2 B R2 U2 L2)   // 3e alg (8-4/21)

F' D' L @          // EO on LR-axis + sq on B (3/3)
U L2 U L2 B2 D' R2 // 2x2x3 on UB (7/10)
(D2 F' D F2)       // F2L-1p on U-FR (4/14)
(D' F D2 F' D2)    // ZBLS + EP-skip, leaving 3c on D (5/19)
@ = [L' D' L, U']  // insert 3c comm (8-4/23)

F L' U' L' B (L) // 2x2x2 on DBL (5+1/6)
[B2 D' : L F] R2 // 2x2x3 on DB + EO on LR-axis (7-1/12)
U F2             // F2L-1p on D-FL (2/14)
U2 F U2 F' @ U   // all edges, leaving 3c (5/19)
@ = [F, L' B L]  // insert 3c comm (8-2/25)

(F)                  // 2p + edge on DF (1/1)
B2 D @ F2 U' L F' D' // 2x2x3 on DL (7/8)
(F D R D' R2 F')     // F2L-1p on D-BR (6-1/13)
B2 L' B' L           // 1p (4/17)
L U L' U2 B'         // all corners, leaving 3e (5-1/21)
@ = D' B2 D U' L2 U  // insert 3e (6-4/23)

(D2 R B' @ U)       // 4p - 1p (4/4)
(L B L' D')         // 2x2x2 on DBR (4/8)
(F' U')             // 2x2x3 on BR (2/10)
(U L U')            // sq on L + 3 bars (3-2/11)
(L2 F2 L')          // F2L on B, leaving 3e on F (3/14)
@ = B2 U' D L2 D' U // insert 3e (6-2/18)

(B) B2 # R' F     // ext EO on FB-axis (1+3/4)
L D'              // 2x2x2 on DFR + 5e (2/6)
R' L2 U' @ R L2   // 1x1x3 bar on DL, giving F2L-1p on D-BR (5/11)
U R' U2 R U       // all edges, leaving 5c (5/16)
@ = [U L2 U', R'] // insert 3c comm (8-5/19)
# = [B, R F2 R']  // insert 3c comm (8-2/25)

(U' @ B R')         // EO on LR-axis (3/3)
@ = L2              // ext (1/4)
(B2 F2 U B # D' U2) // XX-Cross on B (6/10)
(U F' U')           // 3rd pair on URb, giving F2L-1p on B-DL (3-1/12)
(F' D F2 D')        // all but 3c (4/16)
# = [B', U F' U']   // insert 3c comm (8-4/20)

(L F D L2 D)    // 2x2x2 on DFL (5/5)
(D' U2 @ R U D) // 2x2x3 on FL (5-2/8)
R D B' D' B'    // sq on Bdl, giving F2L-1fe on L-UB (5/13)
(R2 B) B        // edge on DR + edge on BR + 1p (2+1-2/14)
R2 D B' D' R2   // all but 3e (5/19)
@ = [U2, S']    // insert 3e comm (6-2/23)
============================================================
backup sol:
(R' D' % F)       // EO on FB-axis (3/3)
(L2 D F2 L')      // psuedo Cross on U (4/7)
(L B2 L' B2 U')   // X-Cross on U\FL + X-Cross on L\UF (5-2/10)
(R' D' B2 R B2)   // F2L-1p on U-BL (5/15)
(D2 L' D2 L D)    // all corners, leaving 3e (5/20)
% = [E', F L2 F'] // insert 3e comm (10-6/24)

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

(U B R2 U' F)      // EO on FB-axis (5/5)
R D                // pseudo 2x2x2 on DFR (2/7)
L U2 R'            // 2x2x3 on DR (3/10)
L' U2 L2 U' L U'   // F2L-1p on R-UB (6/16)
L2 U' L @ U        // 1x2x3 on Ld, giving F2L on D instead, leaving 3c on U (4/20)
@ = [L, U F' U' F] // insert 3c comm, -3 on inverse (10-3-3/24)

B2 U' L2 B D' L' U // X-Cross on U\BL (7/7)
R' F' R2 D' R F R  // F2L-1p on U-FL (7/14)
L @ B D2 B' L'     // all corners using a conj, leaving 3e (5/19)
@ = [M', B D' B']  // insert 3e comm (10-6/23)

F2 D                   // EO on UD-axis (2/2) 
R L2 B2 L' B           // 2x2x2 on DBL (5/7)
F2 R' F U2             // 2x2x3 on BL (4/11)
F2 R2 F' @ R' F' R2 F' // F2L on U instead using 2-gen magic, leaving 3c on D (7/18)
@ = [F, R' U R U']     // insert 3c comm (10-5/23)

(F2 U' L' U2 F' U R) // 2x2x2 on UBR + greatly improved EP (7/7)
D2                   // Cross on B (1/8)
(F2 D2 L2 D2 L2)     // F2L-1p on B-UL (5/13)
(L F' L')            // sq on F (3-1/15)
(U' F U)             // ZBLS + EP-skip, leaving 3c on F (3/18)

skel: D2 U' F' U L F L D2 L2 D2 F2 R' @ U' F U2 L U F2
@ = [R, F L F'] // insert 3c comm (8-3/23)

F2 L                        // 2p (2/2)
(D R' B2 D $ L2 F' L2)      // XX-Cross on F\D (7/9)
//(B' L' B L)               // 3rd pair on ULf (4/13), nvm
(B' U R B R')               // 1x2x3 on Rf + sq on U (5/14)
(R' U' R B')                // all but 3e (4-1/17)
$ = D' B2 L2 F2 U' R2 F2 L2 // insert 3e alg (8-7/18)
============================================================
backup #1:
(D R' B2 D L2 F' L) F2 // XX-Cross on F (7+1/8)
(L2 B' R B R' L2)      // 3rd pair on URf (6-1/13)
(L B' L')              // 1p (3-1/15)
(D' B D)               // sq on B (3/18)
(L B' L')              // direct finish (3/21)
============================================================
backup #2:
(B2 L2 D)      // EO on UD-axis (3/3)
D2 B2 R' L2 D2 // 2x2x2 on DFL + edge on UL (5/8)
(R2 F R' F')   // pair on UFl, giving 2x2x3 on FL (4/12)
(B R' B R)     // F2L-1p on F-UR (4/16)
(R B' R')      // all edges, leaving 5c (3-1/18)

skel: D2 B2 R' L2 D2 R B R2 B' R F @ B' # R F' R2 D' L2 B2
@ = [F', R' B' R] // insert 3c comm (8-5/21)
# = [B , R' F2 R] // insert 3c comm (8-5/24)

D L B2 D2         // 2x2x2 on DFL (4/4)
(R % U2 R2)       // 2x2x3 on DF (3/7)
% = R B2 R'       // insert to make pair at UFr for BLd (3-1/9)
(U2 B @)          // sq on Bdl, giving F2L-1p on D-BR (2/11)
(R' U' R U2)      // all edges, leaving 3c (4/15)
@ = [B' D' B, U'] // insert 3c comm (8-2/21)

(F2 R B D)            // EO on UD-axis + 1p (4/4)
D2 U2 @ R' F R' L' D2 // layer on L + edge on DB (7/11)
D2 (D2)               // shift to give more flex (1-2+1-1/10)
L B L'                // edge on BR + edge on DB (3-2/11)
L2 U2 L2              // all edges, leaving 5c (3-1/13)
@ = [U, R D R']       // insert 3c comm (8-2/19)

rewrite: U' D2 R # D R' U' R D' R2 F R' B L U2 L2 D B' R' F2
# = [R' D2 R, U] // insert 3c comm (8-4/23)

(F' D' L2 B2 U)   // EO on UD-axis + 2p + good EP (5/5)
(B2 L')           // 2x2x2 on DBL + 2e (2/7)
R' @              // EO on LR-axis (1/8)
F R2              // 2x2x3 on DB (2/10)
U2 F' U2          // all edges, leaving 5c (3/13)
[U' R' U, L]      // 3c comm, -2 on inv (8-1-2/18)
@ = [R' B2 R, F'] // insert 3c comm (8-2/24)

R F R D2 B U' L // X-Cross on L\UB (7/7)
(R2 D R')       // 2x2x3 on UB instead (3/10)
(D F2 D2 F2)    // 2x2x3 on FL (4/14)
(D2 F D F' D)   // direct finish (5/19)

(U' F' D B)        // EO on FB-axis (4/4)
(R' U D' B2 R)     // 2x2x2 on DFR + edge on UF (5/9)
(B2 L2 U' B2 U L2) // F2L-1p on F-DL (6/15)
(D L U' L2) L2     // make lots of pairs (4+1/20)
(D' L' U)          // direct finish (3/23)

B2 L U2 F'            // EO on FB-axis + 2p (4/4)
U' D' B2 L D L2       // X-Cross on F\DL (6/10)
(U R' B2 R U')        // F2L-1p on F-UR (5/15)
(R B2 D B' @ D' R' B) // all corners, leaving 3c (7/22)
@ = [B D' B', E]      // insert 3e comm (10-7/25)

L (R2 F' L)  // EO on LR-axis (1+3/4)
D2 @ B U' R2 // 2x2x2 on DFR (4/8)
B2 U2        // 2x2x3 on FR (2/10)
D' B' D      // EO on UD-axis (3/13)
L2 B         // all edges, leaving 5c (2/15)
@ = D' B L' B' D B D' $ L D B' // insert 3c alg (10-3/22)
$ = [D B' D', F']              // insert 3c comm (8-6/24)

D L2 U L'           // 2x2x3 on BL (4/4)
(F2 L' U' F' U F L) // F2L-1c on L-DF (7/11)
(R')                // all edges, leaving 5c (1/12)

skel: D L2 U L2 R F' U' F @ U L F2 // NISS cancel [L']-[L'] (12-1/11)
@ = F' U R2 U' F U F' R2 # F U'    // insert 3c alg  (10-6/15)
# = [R, U' L' U]                   // insert 3c comm ( 8-1/22)

B2 U' L F B2 L         // 2x2x2 on UFL (6/6)
L' D' L (B)            // 2x2x3 on UL (3-2+1/8)
(R D' B' D2 B R')      // F2L-1p on U-FR (6/14)
(D2 F D' F' R' D' R D) // ZBLS + EP-skip, leaving 3c on D (8/22)
(D' R' D L D' R D L')  // 3c comm, -1 on normal (8-6-1/23)

B' U' D2 R' D' @ L' B // Cross on D (7/7)
@ = F                 // insert for 2x2x2 on DBL instead (1/8)
(F')                  // fix Cross on D (1/9)
R U2 L F' L' F $ R'   // multi-slot for F2L-1p on D-BR (7/16)
R' U R U B U2 B'      // L5C alg, leaving 3e on U (7-1/22)
$ = [F' L F, M]       // insert 3e comm (10-9/23)