F' B'
(L') U //jzp
F2 D2 R' U2 R //dr
[U2 L2 U' B2 R2 U] //htr
B2 R2 L2 U2 //slice in 19

[D2 R2 D' L2 B2 D' U2] +1/20

U F2 B D //eo
L R2 B D2 L2 B R //dr
(B') F' U2 B' //htr
L2 U2 R2 U2 D2 B2 R2 U2 //done

(B' R' F2 U)//eo
L B R2 B //dr
U2 [L2 D2 R' U2 L D2 L'] //htr
B2 D2 R2 //slice in 19

[R2 U2 R' D2 R B2 R L2] +1/20

D' F2 D //eo
(L D2 L D2 F' L F) //dr extension
F2 D2 R F2 R D2 B2 L' //htr
U2 F2 D2 F2 //4-1/21

This is bad...

U R' F B' L // eo
D L2 U2 R2 U' R2 U' B //already given up at this point
F2 D' B2 *  U' //2e2e?!

*B2 D2 L2 B2 U2 F2 R2 U2 (8-4/21) lol

(R2 B' F2 R') //eo
(B2 R2 U' L2 U' B') //dr with 3 other variations
(U) R2 U F2 R2 L2 D' //htr
B2 R2 //slice in 19!

[R2 U F2 R2 L2 D' B2 R2 U'] B U L2 U R2 B2 R F2 B R2

[Uw U' R2 U F2 R2 L2 D' B2 R2 Uw'] +2/21 :/

this was cool too but not 21 moves:

(D2 B U2 L')
(R2 U' R2 F2 D2 F') //2c4
(U') D L2 F2 D' F2 D //htr
L R' D2 L R' U2 //22

(L') U2 R' //eo
U' F' B2 R2 U D' B' //dr
U2 B2 D (B2 L2 U) //htr
(L2 R2 F2 L2 B2 D2 B2) //slice in 23

U2 R' U' F' B2 R2 U D' B' [U2 B2 D B2 D2] B2 L2 F2 R2 L2 U' L2 B2 L

[U' D' R2 U F2 U2] +1/24 
bad streak for me

(U) D' U B L' U //6 move eo!! (niss traced the 8 bad wrong oops)
D2 B' F2 L2 F // dr extension
U2 [L' F2 D2 R' D2 R' //htr
B2 R2] F2 B2 //slice in 22

[R' D2 B2 R' B2 L R2 F2 L2] +1/23

R' F R2 U //eo
(L' D2 R' F' L2 F) //dr 2c3
[R' B2 L' B2 L] //htr
U2 D2 B2 U2 D2 R2 //slice in 21

[] = L' D2 R' B2 L +0/21

(U2 D2 F') //eo
(L') L2 D R2 B2 D R //dr
([U F2 D]) B2 U' B2 U //htr
B2 D2 R2 B2 L2 //slice in 22

[D R2 U] +0/22

(L F2 R) //eo
(D' B') L2 U' B' //8+2 but trash
U (U2 L2 F2 R2 F2 D') //htr
(B2 L2 F2 L2 D2 F2 U2 D2) //8-1/22 (slice in 21 but couldnt slice down)

B (F U D' B) //eo
(D R2 B2 R' B2 L' U) //dr
(B2 D2 B2 R D2 R) //htr
(U2 F' B' U2 D2 R2 F' B) //8-2/24

tough scramble after a short break