R' U' F U L U2 R2 U2 B D2 F U2 L2 B D' L R F' R' F' D' F R' U' F
U2 R' B R U R2 F' B2 R2 F' B2 U2 L2 D2 L2 D R2 F2 U' B2 U2 R2 D'
U2 R' B R //EO U R2 [F L2 F] //DR 9+3 4c4e (D R2 U2 B2 U F2 R2 D') //HTR (L2 U2 D2 L2) //leave wrong slice [ ] = F' B2 R2 F' B2 //solve wrong slice 21 optimal and it's of switching (D) right away, which i did...
R' U' F R2 D2 R2 F' D2 F D2 B L2 B' R2 D' L' U' B2 L D2 L F' R' U' F
R' B' D F' B' L2 B2 D2 L' F2 B2 R2 D2 B2 U2 D R2 U' R2 L' U2 L'
R' B' D F' B' //EO (L U2 L R2 U R2 D') //DR 12+1 4c4e L2 B2 D2 L' //HTR F2 B2 R2 D2 B2 U2 //finish I was very lost in the variant for much of the attempt. 22 is optimal afterall, even if for a moment i thought i found something better.
R' U' F R2 F2 U2 F' U2 R2 F U2 F2 L2 R D F' L D U2 B' U B2 D2 R' U' F
R' U2 F' D2 L' U2 F2 R U2 R L2 F2 R' U' D' F2 U D F' R D' B L
(L' B' D) //EO (R' F) R' U2 F' //DR 8+4 2c2e D2 L' U2 F2 R U2 [L' D2 L'] //HTR U' D' F2 U D //leave slice [ ] = R L2 F2 R' //solve slice 21 optimal and with little alternative I really should've found it.
R' U' F D2 R F2 L2 B2 R F2 L' B2 L' B2 R2 D' B' R' F2 D F' U2 R U R' U' F
F2 D' R' F U2 R2 F2 L F2 B' L2 B2 R' U2 F2 D2 B2 R2 L U2 B2
F2 D' //EO R' F U2 R2 F2 L B' //DR 9+2 4c0e F2 L2 B2 R' U2 F2 D2 B2 L //HTR R2 U2 B2 // finish I first did ... B, R2 F2 R' U2 F2 D2 B2 L' D2 B2 and just sort of saw the 0e double slice through the whole thing.
R' U' F L' U' F2 D R2 F2 D2 B L' B U F' L2 U2 L2 U B D R' U' F
F' L B' D R' F' U' B' D F B2 U' F2 B2 D2 F2 B2 R2 D' B2 D
F' L B' D R' //EO F' U B' D F //DR 10+3 2c4e B2 U' (D' B2 D) //HTR (R2 F2 B2 D2 F2 B2) //finish I first did B2 U R2 F2 B2 U' B2 U //4x and from there I just sort of rNISSed(?) this HTR as i knew that R2 F2 B2 must cancel with 4x nicely. DR optimal on this, but it wasn't very challenging.
R' U' F U' R D B2 F2 D' F2 D R2 B F D2 R' B2 L' R' U L' D2 R' U' F
U' R2 U2 L' B' R' B2 D2 R2 B D2 F R2 F2 D2 R2 L2 B' U' R' L' F2
U' (F2 R L U) //EO R2 U2 L' B' R' //DR 10+3 4c4e (F) [F2 U2 L2 B U2 B //HTR D2 F2 L2 U2 D2] //leave slice [ ] = B2 D2 R2 B D2 F R2 F2 D2 L2 R2 B' F //solve slice (+0) DR optimal once again to finish of a good mean on a pretty bad set.