R' U' F D B2 F D2 B' F' R2 F' U2 R2 U2 L2 U L F' U' R' F2 U2 B' R' U' F
B' R L' D F U2 D2 F B U' D2 B' U' L2 U' R2 L2 F2 D' B2 D
B' R L' //EO 3 D B R2 L2 B2 U2 D' B' //DR 8/11+4 D' R2 D (U' L2 U #') //HTR 6/17 (F2 U2 #) //E+S //2/19 #: E //+0/19 new skeleton: B' R L' //EO 3 D B R2 L2 B2 U2 D' B' //DR 8/11+4 D' R2 U (U' L2 D ) //HTR 6/17 (@ R2 D2 @) //S 2/19 @: S2 //+4/23 after writing down this solution, i noticed that the solution can be reduced B R2 L2 B2 -> F U2 D2 B F //make 4x +1/24 (F2 B2 L2 U2 F2 B2) -> (R2 F2 B2 U2) //make 4x -2/22 new solution: B' R L' //EO 3 D F U2 D2 F B D2 U' B' //DR 9/12+4 U' L2 D (U' # L2 D) //HTR 6/18 (R2 F2 B2 U2 #') //FINISH 4/22 #: E //-1/21
R' U' F L U2 R2 U' R2 F2 L2 R2 D B2 U2 B L R' F R2 F D B2 R' U' F
F2 L' U F D' F2 B' U L2 F L2 U2 B2 R2 U2 B2 R2 B R
(R') F2 L' //EO 3 U F D' F2 B' U //DR 6/9+2 (B') L2 F //HTR!!! 12 L2 U2 B2 R2 U2 B2 R2 //FINISH 7/19 fortune: found the 12 to HTR with a big block unfortune: ending with 19 tied PR
R' U' F L2 D' F U R' U' B' U2 F2 U' R2 U L2 F2 B2 D' F2 D2 B' R' U' F
F' U2 B' R' F' L2 U B U R2 U2 L2 D2 F2 B L2 F2 B L2 D2 F
F' U2 B' R' //EO 4 F' L2 U B U //DR 5/9 2c3 2e (F' D2 L2 B # R2 B #) //HTR 6/15 (D2 L2 U2 R2) //S 4/19 #: S2 //+2/21 the only sub 20 from this 2c3e extension is to add M2 after EO. however i missed and only Lichi found it