(L B U2 F)  //rzp 46  3p  4/4
U F2 L' D2 R'  //DR  2c3  2e  5/9
(L2 F2 [U' F2 U' F2 U])  //HTR  7/16
(F2 R2 U2)  //E  3/19

[]=D' L2 D' B2 U' D2  +1

R2 D2 L  //rzp32
U2 D F U F  //DR 8+6c3 2E with 2sq
(U L2 U' B2 D)  //HTR-4E  13
U' F2 B2 D' U2 F2 R2 //E  20

...D' U2 F2 R2 D' B2 U...
= U R2 B2 U' F2 U' D2  +0

(B' R2 B', R' D')  //rzp42  2p
L' U' F2 U   //DR  9+4a1
R B2 L' F2 B2 R  //HTR  15
U2 D2 L2  //Fin  18

(D B2 L)   //RZP44  2p  3
F' D2 F' B D   //2c3  2E  8
([B U2 R2 B'] U2 B')  //HTR  14
(U2 R2 L2 U2 F2)   //S 19

[]=F R2 D2 F'  +0

F D (L' U, R B')  //RZP44  3p  6 
F2 L B  //2c3 4E    9
(L2 U2 [L D2 B2 R] U2 R)  //HTR  17
(F2 {B2 R2 F2 U2 D2})  //M
[]=R F2 D2 L  +0
{}=U2 D2 F2 L2 B2 -1
other：

(F' B2 L'，U' D2 B L2 D B)  //9+4b5
(L F' B2 L)B' U' D' F' U  //9+6c5

F2 L' R B' R', D'  //RZP32   6  
(F2 D' F D')  //2c3  4E   10
[F' U2 R2 F'] U2 F' # //ES  16
[]=F2 B L2 U2 B'  +1/17
#=F2 U2 D2 B2 U2 D2   6-2/21

other:
R L' U B' R, U' B' D' B' U  //10+4b5
F2 L' R B' R, (U B2 U R2 F)  //10+4b2 6E Trash

(B）U L F' B  //rzp78
(D' F2 D' R D L)  //11+4b2  4E
(D' B2 D B2 L2 D' B2 D')  //HTR  19
(F' B' D2 L2 F' B)  //Fin  6-5/20

a 20 from 10/10/10 LOL

U F'(R L' B，U')  //rzp44
(R D2 L' B2 D')   //DR 11+4b2
B2 L' D2 L'  //HTR   
F2 U2 D2 L2 F2 U2 //Fin

(B U' B'，U')  //rzp78  6p
L' F2 D' L' U'  //9+2c4
R (D2 [R' D2 B2 R' U2 B2 L])  //HTR
(U2 R2 U2)  //M  
[]=L' F2 D2 L' D2 F2 L' R2  +1
L' R2 U2 R2 U2 R' =R F2 R2 F2 L'  -1


backup：
(B U' B'，U)  //rzp78  6p
L' F2 D' L' U'  //9+2c4
([R U2 L' D2 L D2 L')  //HTR
(U2 F2 R2] D2 F2 R2 F2)  //M
[]=L F2 R' U2 R B2 R' D2 B2 L2

(R U' L)U F  //rzp 44 3p
(D' # R2 D U2 F)  //10+4a3 blocky
(U R2 U' B2 U L2 U B2 U2 # D') //2E2E

#=U2 D2 y2

interesting inserction

(U2 R) B D'  //rzp44  3p
(L2 B R2 F' D)  //9+6c3  inserted M2
[F' D2 L2 F'] R2 F  //HTR
D2 R2 U2  //S 18

[]=B' L2 U2 B F2

L' B2 L', F' B   //RZP44
R2 L2 D F   //9+4a1
U'   //HTR in 10!!!!
F2 R2 # U2 F2 R2 F2  //2E2E  16

#=F2 D2 B2 D2 F2 U2  6-4/18

(L F2 U L'，F)//rzp32
F2 D B' D B//4b2 4E
([U' F2 L2 D'])
(R2 F2 U2 R2 B2 D2 F2#)  //ES
#=F2 D2 B2 R2 B2 D2 F2 L2  8-8

[]=D' L2 B2 U'

R'(U D' L'，F2 U') //JZP  6
(R2 F' D2 B)  //4a4 10 Nope

extend：
(R2 L2 {F2 D2 F L2 B})  //4b2 13
[U2 L2 F2 U B2 D']  // HTR 19
F2 L2  //ES  21

[]=D2 R2 B2 D R2 U'  +0
{}=B2 U2 B' F2 D2 F  +1

U B' R2 U // EO (4/4)
F2 U2 B2 L' # U2 F' // DR (6/10) 6c5 2E
(D2 [R' U2 L B2 U2 R B2 R' D2 R']) //2E2E  21

#=M2  +1  2E2E→ M slice
[]=L' B2 R F2 D2 R F2 R' U2 R'  +0

Didn't try this scramble really
Weijie gave me his 9+4b5 and asked me to finish it
Interesting 2E2E insertion ：）

F'(R' L2 U' F，L)   //rzp44 
(D2 B2 L2 D' R)   //11+4a1
B2 L2 U   //HTR inserted S2 14
[B2 D2] R L F2 R L  //S  19

[]=F B L2 F' B  +3/22


F'(R' L2 U' F，L')  //rzp44 3p
R2 D' B2 D2 L  //11+4a1
F2 R2 D'  
F2 R2 U2 L2 B2 L2  //Another S 19

F'(R' L2 U' F，L)
R2 D' B2 D2 L   //same 11+4a1
(U2 F2 R2 D' # R2)  //BB L3E 16
#=D B2 L2 F2 U L2 B2 R2  8-4/20

(F2 U) L'  //RZP46 but 2 long pairs here 
F R //Now it's DR-0C4E with 4b2 HTR corner
<L2> B' R F2 B2 L //DR extend to 11+4b2 2E
(R2 F' R2 U2 D2 B U2 F2 R2 D2)//Finish  21 

D' R B D //rzp44  2p  4/4
(U2 B2 D2 B L')  //4b3   5/9
(F L2 F)<U2> B2 U2 B  //HTR inserted U2  7/16
D2 L2 U2 L2 B2 D2 //S  6/22
D2 B2 F2 U2 B' D2 B' F L2 F  //+0 solve S

D {F' D2 B} //rzp04  4/4
(R F2 D' F2 B2 U')  //6c3 with 2sq   6/10
(R B2 [R' F2 D2 L R2])  //MS  7/17
[]=R L2 B2 U2 L'  +0
{}=F B2 U2 F2 B'  +2

(D L2 D') R L'
(U2 R*2 U2 B2 L*)
F U2 B U2 B' D2 R2 F' R2 F'
R2 # L2 U2 F2  24M

#=M'
*=w   +0

F R' D L' F
(R D L2 D)
R' F2 R' U2 [L U2 R' D2 R
B2 U2 F2]  //4x  21
[]=R B2 R' F2 L' R2 F2 D2 B2  +1

(R2 U', R)//RZP44  3/3
(F B U2 B' L')  //DR 2C4  5/8
F([F R2 F' R2 F)  //HTR  6/14
(U2 L2 D2 L2 B2 D2 F2])  //S  7-1/20

[]=B U2 B' R2 B L2 D2 R2 D2 F2 L2 F B  +0

(L) B L'  //rzp44  3/3
U' D' F' U2 R2 F //DR 4a1 2E 6/9
(U R2 B2 L2 D' F2 D')  //HTR 7/16
(F2 R2 L2 D2 F' B D2 F' B)//Fin  9-1/24
...F' U2 R2 F2 B' D2 F B' ...
=B' R2 D2 B' F2 L2  -2/22

also got this：
(L)B L'，U' D' F' U2 R2 F'
(D2 L2 U R2 D R2 L2 U' L2)
//MS  18

maybe I can modify it into 20
like this：
(U2 R2 U R2 F2 B2 U R2 L2 D L2)  //Fin 20

(R2 F2 R2 B')  //rzp44  4/4
(F2 D L2 U' L')  //dr 6c3 4E  5/9
(D' B2 U L2 U)  //HTR  5/14
(L2 F2 L2 D2 R2)  //Fin  5/19

other：
(F2 R2 B')  //rzp44  3/3
(D L2 U' L')  //dr  6c3 4E  4/7
(U' R2 U L2 U)  //HTR  5/12

but not good

and I marked this
(R' F2 R2 B)//rzp66  3p
but somehow forgot to switch
and it gives a 18....

U2 R' (L)  //rzp66  3/3
(U F2 D B' F D F')  //dr 2c4  7/10
B2 D*'(U F2 U* F2 U)  //HTR  7/17
(R2 F2 R2 L2 U2 L2) //E  6/23

*=w

B(F B'，L')  //rzp44  4/4
(R2 F2 # D' U2 R)  //DR 9+4b3
U2 R2 U  //reduce to 4b2 and blocky   3/12
([U B2 U'])  //pHTR  3/15
 #=F2 R2 F2 R2 F2 R2  //HTR  6-4/17
[]=D L2 U' F2 U2 B2 R2 U D'  +4/21

found in 59min 30s
that was close


only other short DR：
B'(F B'，L)D' F2 R2 D R 9+4a4

U' B' U F',B2 D //rzp 44 2p  6/6
(L' F2 U)  //4b2 6E  3/9
R2 D2 R2 B2 L' U2 R  //HTR  7/16
B2 L2 U2 F2 U2 F2  //Fin  6/22

Mr. short-DR-didn't-work-out again

B2 R' U' L', F   //rzp46  4p
(U D2 F U2 B)   //10+4a4

(B D L2 F')   //rzp78
(B2 U B2 L' D' R) //10+2c4

(B D L2 F', D L)  //rzp44
(U' L2 D R)  //10+4a1 2E  Nope


(L U' B R)   //rzp 44 3p 
U F2 U2 F U2 L2 F //11+4a2
D2 L2 U' L2 U2 R2 B2 D U2 F2  //21  unexpected easy 4a2,I didn't even check any DR variations nor different HTR


(L U' B R)  //rzp 44 3p 
U(U2 B2 R2 U)   //9+4b5  

turns out there's a 19 after (L U' B R)U':
D2 F D2 B' R2 B' R2 F U L2 D2 B2 U B2 (14)
D2 F D2 B' R2 B' R2 F D' L2 U2 B2 D' B2 (14)

Tons of DR in 10 with bad subsets:

F2 B' U L', D B
(U' B' U B)  10+4a2

U B R F',U 
D2 L D R D  10+2c4

U B R F',U'
D2 L D R D  10+2c4

U B R F'，R
(L2 D R2 D R)  10+6c5

U B' R F'，R
(L2 D R2 D R)  10+4b3

U' B R F'
B2 L' F2 D' L  9+4a4

U' B' R F
(F2 D2 L R D' R)  10+4a3

U' B' R F
(B2 U2 R L U' L)  10+4a3

(U F' U R')
(B2 U B' D' B U)  10+4a2

(U F' U R')
(B2 U B U' B D)  10+4a4

(F U2 F2 R, D)
(L2 F U' F D)  10+4b2  8E

(F U2 F2 R, D)
(L2 F' D' F U)  10+4a2  

Couldn't work the 4b2 out (OPT 22) and all 4a2 looked horrible at first glance
luckily one of the 2c4 worked out

U B R F',U'  //rzp 78  5/5
D2 L D R D  //DR  2c4  5/10
(U2 [L F2 R' B2 U2 R' B2 R])  //HTR 9/19
(F2 B2)  //M  2/21
[]=L2 R' D2 R' U2 F2 R' U2 L  +1

F L2 B' D' F  //rzp 66  4p  5/5
(U L U D R)   //DR  4b2 6E  5/10
(F2 L2 U F2 D)  //HTR  5/15
(B2 U2 [F2 D2 L2 B2 R2 F2]) //S  8-1/22

[]=F B R2 D2 F2 D2 F B   +1/23

dr opt 

other：
F L2 B D' F', L2 R' U' L  9+2c4  opt 22
(F) L2 U D' F (L' U' D R)  9+2c3 4E  opt 22
(F) L2 U D' F (L' U' D R)  9+2c3 4E  opt 21

choose the wrong dr I guess

Edit： I marked B' F D' F as rzp 78 5 pairs but forgot to niss it after nissing tons of 5 movers.
DK what I‘m doing...

(L2 F) B', U R //jzp  5/5
[F2 B2 U2 R2 U] //DR variation hell  4a3  5/10
(U2 R D2 R)  //reduce to 4a1, now reverse and check dr variations  4/14  
[]=D2 L2 F2 B2 U // one of the variations
F2 {L' D2 B2 R2 B2} //M  6/20

{}=R' B2 U2 R2 U2 R L'  +0/20

(D L' F D' B', D)  //jzp  6/6
[B2 D]  //DR lol  4b2 6E  2/8

[]=U D' R2 U  //+2 simplify HTR
L' B2 R'  //HTR  3/13
F2 U2 L2 F2 U2 R2 F2  //Fin  7/20

U2 R U2 R, B  //rzp 44 2p  5/5
(U' R2 L2 U' B')  //DR 4a1 4E  5/10
(F2 L2 F2 L2 D')  //HTR  5/15
(L2 D2 [L2 U2])  //S  4/19

[]=F' B D2 L2 F B'  +3 

edit:  DK what I'm doing just didn't try anything straightforward after this rzp

(B)B U L' B  //rzp 88  5/5
R' L U' D' L  //DR  4b2  4E  5/10
(D' B2 R2 D')  //FR  4/14
(R2 D2 L2 D2 L2)  //Fin 5-1/18  LOL

OPT OVERALL  :D

(U' B L') //EO && sq && 2p 3/3
U' B2 (B') //222  3/6
R2 U2 F' D F U2 F //XXcross && All F2L paired up 7/13
B' D B  //F2L-1  3/16
B' D2 F D2 F' D2 B  //WV && LL skip  7-4/19 

:D

other:
(U' B L') //EO + sq + 2p 3/3
F L2 // 2 more sq  2/5   

very blocky but can't get anything good
opt after this gives 17 which is opt overall, but nearly break all blocks built up before

U2 B U B2 D' L2 D B R2 D' L2 D2 //Fin  12/17

(R2 D' B R)  //rzp66  4p  4/4
F2 B' D' B D F  //DR  8C4 8E 6/10
U' D'  //Fake HTR  2/12
(F' L2 F)R2 F U2 F //Real HTR 7/19
R2 U2 F B L2 F' B  //Fin  7-1/25

...F B L2 F2 B L2 F...=F2 U2 F2 B U2 B

(R B2 L2 B)  //rzp46  4/4
(U2 L2 U R' F2 L)  //dr 4a1 4E  6/10
(F2 R2 B2 [U)   //HTR  4/14
(F2 U2] R2 B2 U2 R2 B2) //E 7/21

[]=D R2 U' D'  +1

(B' R)U2 L, F  //rzp 44 3p 5/5
(U2 B2 D' F)  //DR 6C3 6E  4/9
([D L2 U2 L2 U L2 U')  //HTR 7/16
(L2 U2] F2 L2 U2) //E  21
[]=U B2 U2 B2 U B2 D' R2 D2  +0