U2 F' (R F')
(D' R) U2 L' B2 L'//4c4 but the a side has the diag shape so why not give it a try (10)

(D' R2 D) R2 D' L2 D
F2 D2 R2//E slice (20)

...R2 D' L2 [D F2 D2 R2 D'] R2 D...

[]->U L2 U2 B2 U D2 (21)

Final: U2 F' U2 L' B2 L' R2 D' L2 U L2 U2 B2 U D2 R2 D R' D F R'

lol

other:

(U2 B U R F)
D2 R' U' R//2c4 (9)

D' B (R2 B)
U' L F2 D' F2 D//2c3 (10)
B2 R' F2 [L' D2 B2 R
L2] U2 F2//M slice (20)

[]->R2 L U2 F2 R' (20)

Final: D' B U' L F2 D' F2 D B2 R' F2 R2 L U2 F2 R' U2 F2 B' R2

other:

(L2 R2 B R')
(D' R2 D2 F)//2c4, it's 21 opt and you need 6q lmao

(D' L2 F' R')
(D) B' D F2 D//2c3 (9)

D' B (R2 B)
(R' D L2 D' B2 D)//4c3 (10)

U R D' L U'
L (U2 B D2 B2 R)//4b2 (11)
(F' U2 L2 D2 R2 F)
(U2 R2 B2 R2)//solve (21)

Final: U R D' L U' L R2 B2 R2 U2 F' R2 D2 L2 U2 F R' B2 D2 B' U2

other:

(F) R2 U L2 F
R (D R2 D' R)//4c3 (10)

U R' D' L U'
L (F R2 F B2 L)//2c3 (11)

F' B (R2 D B)
D2 L' D2 R U' R'//DR but its also 3e3c+E in 11 lol

B F D' L
(U2 F D2 F')//2c3 (8)
([D L2 U' B2 U'])
(F2 R L D2 F2 L R)//E slice (18)

[]->(U2 D' R2 D2 U B2 U')//smh (20)

Final: B F D' R' F2 D2 L' R' F2 U B2 U' D2 R2 D U2 F D2 F' U2

It's optimal after EO so I can't really complain but still

other:

F' B (F D2 F)
U2 B2 D' R//4c3 (9)

(D) U L D'
(F2 B' R F' B L2 [B L])//0c0 4e (12)
L2 B L2 R2 B' D2//HTR / 2e2e (18)

[]->(B' L2 F2 R2 F2 L') (22)

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

[]->F' B' U2 B U2 (21)//I somehow missed this until 1 minute left

Final: U L D' L2 B R2 L2 B' D2 L F2 R2 F' B' U2 B U2 R' B F2 D'

optimal after U L (D F2 B' R)

other:

D' (R2 B' U')
L (D2 B' D2 F L)//4c3 (10)

B L' F' D' R'
F U2 B2 D B//2c4 (10)

(D) U L D
(L2 B' R D2 L' R2 B)//4b2 (11)

L U B F D
(R B L' B2 L')//2c3 (10)
([B' L2 F' L2 F2 R2 F])
(U' D F2 U D')//S slice (21)

[]->(F' D2 F' D2 B2 D2 B) (21)

Final: L U B F D2 U' F2 D' U B' D2 B2 D2 F D2 F L B2 L B' R'

I NISSed almost every EO on this to search for rzp bruh

optimal is 20 with 5q as usual smh

other:

(B R U F D)
(L) F' L2 D2 F L//4c3 (11)

B D2 L' U
L F2 R B//2c4 in 8

backtrack and extend:

B D2 L' U
F2 R F2 L B'//0c0 4e nice
[R2 U2 L] U2 D2 R U2 F2//17 to slice

[]->L R F2 R (18)

Final: B D2 L' U F2 R F2 L B' L R F2 R U2 D2 R U2 F2

optimal for the whole scramble :)

other:

(F) R2 F
R2 B2 U' F2 U L//2c3 (9)

(U L' B2 U')
(L' R2 F2 L U2 B)//4b2 (10)

(D' U) F' U'
(L') F U2 B' R2 F' L//2c3 (11)
(R2 F U2 [B U2 L2 B)
(F2] L2 U2 D2)//S slice (22)

[]->(B2 F' L2 D2 F') (22)

Final: F' U' F U2 B' R2 F' L U2 D2 L2 F D2 L2 F B2 U2 F' R2 L U' D

21 opt but I found this dr at 45 and didnt have enough time to try niss htr oops

I didn't get any other DR other than the variation lol

(U B2 L D')
(B) R' D2 L' F'//2c4 (9)
(R') R' U2 L B2 D2 L
F2 D2 U2 F2 U2//M slice (21)

...B2 D2 [L F2 U2 D2 F2 U2 R] B'...

[]->R U2 F2 B2 U2 B2 L (21)

Final: R' D2 L' F' R' U2 L B2 D2 R U2 F2 B2 U2 B2 L B' D L' B2 U'

other:

F R (B2 L)
(B2 R2 U B2 D)//4a2, it's 20 opt with 4qt but the pathway is kinda eh

(U B2 R2 F')
(D' R L2 D' B2 L)//2c3 (10)

(U' F R' D')
R' L (L B2 {L' B2 L'})//4c3 (11)
D2 F U2 [F2 D2 R2 B D2 B]//M + S slice (20)

{}->(L2 R D2 R')

[]->F B R2 U2 B R2 F (22)

Final: R' L D2 F U2 F B R2 U2 B R2 F R D2 R' L2 B2 L' D R F' U

There is a 20 possible from this variation hell:

(U' F R' D')
R' L (L B2 R' U2 R')
(F' D2 B' D2 F2 U2 R2 B')
(L' R B2 R' L)//20

but after finding 22 I decided to just do my other DRs for the rest of the attempt

other:

F (B' R B)
(U' F2 R' D' R)//2c4 (9)

F (B' R B)
(U' R2 F2 R' D' R)//4b2, 21 opt with 4q but I didn't check 4q, classic

R2 U 
(U2 F' L B)//4c4 (6)
(D2 R' U2 L') L2 U2 F2 B2 L' U2 L'
U2 R2 F2//M slice (20)

...F2 B2 [L' U2 L' U2 R2 F2 L] U2...

[]->R' F2 L' F2 R2 D2 R (20)

Final: R2 U L2 U2 F2 B2 R' F2 L' F2 R2 D2 R U2 R D2 B' L' F U2

optimal is 19 with 6q lol

other:

R2 U
(U2 R2 F' L B)//2c4 (7)

R2 U'
F B' L (U2 R F L)//4c3 (9)

R2 U
(R2 F L R F2 R' B)//2c4 (9)

(L B L' F')
(L' R F2 B2 U)//4c3 (9)

F' U' R2 F
R' U2 L U D//2c3 6e (9)
(L D2 B2 [R B2 U2 R)
(L2] F2 U D R2 U D)//M slice (19)

[]->(R' L2 F2 D2 R') (19)

Final: F' U' R2 F R' U2 L R2 U' D' F2 R D2 F2 L2 R B2 D2 L'

optimal for scr is 18 and unfindable (i hope) so 19 is human opt :)

other:

F' R2 U' F
(F2 L D' R' U)//2c3, got another 19 to slice by extending this

(F) B2 U F'
R L U' D' L//2c4 (9)

(F) U F
D2 F2 D' R' U' L//2c4 (9)

(U L' F')
(U2 R) D R2 U' B2 R//4c3 (10)

R' D (F D')
R2 F' B' L' B' R'//2c3 (10)
(R2 F' L2 F' U2 R2 F)
(U2 D2 F2)//solve (20)

Final: R' D R2 F' B' L' B' R' F2 U2 D2 F' R2 U2 F L2 F R2 D F'

other:

(D') R D
(L B) R' F2 L F//2c4 (9)

R' F' L D' R
D (L2 F2 B2 D)//4a1 4e (10)
(F) B' R2 D2 R2 B'//the DR bound on normal was bad so let's do 3q
F2 L' R U2 L' R'//S slice (22)

...D2 R2 D2 [B' F2 L' R U2 L' R' F'] D'...

[]->F D' U L2 D' U' B' (21)

Final: R' F' L D' R D B' R2 D2 R2 F D' U L2 D' U' B' D' F2 B2 L2

optimal after EO :)

other:

(R' U' L F' R)
(U2 R2 B U)//2c3 (9)

(F') R2 D F
(L R2 U D' L D)//cool 4b2 (10)

U' R' (F2 L')
(U2 R2 F U D2 F')//4b2 with the 7c4e trigger :D (10)

[D F2 L2 D
U2] L2 {U2 R2 L2}//E + S (19)

{}->F B' R2 U2 D2 B F'

[]->U2 D' B2 R2 D' (21)

Final: U' R' U2 D' B2 R2 D' L2 F B' R2 U2 D2 B D2 U' F' R2 U2 L F2

I found another interesting DR:

F2 L F
U L//rzp

F2 L F'
B2 D R//insert a slice
U R2 U R//2c3 (10)

and another one:

U' R' F
(R')//premove abuse
U R//RZP with 2 pairs niss traced
(D)//jzp

switch back and remove R, we get

U' R' F
(R' D) U' B2 U2 R' D//of course its 4c4

[U (U' D2 F D)
(B' D2 R' B)//4c3 (9)
B2 L] (D2 F2 {R' U2 R')//htr in 16

[]->U' D2 F2 R//extend (17)

(F2 L2} U2)//M slice (20)

{}->(L' B2 L' B2 R2) (20)

Final: U' D2 F2 R U2 R2 B2 L B2 L F2 D2 B' R D2 B D' F' D2 U

other:

(U' L D')
(F L) L F' L//4b2, 21 opt but extending it to a 2c4 in 9 makes it 20 opt lol

(U' L D')
(F L' R' B R)//4c4 lol

(L2 [D2 F)
U R F2 U' D' L//4b2 (9)
(U2 F2 B2 D] F2 D')
(F2 U2 B2)//solve (18)

[]->(F2 B2 U2 F D')//I almost ended the attempt at 30 mins but I noticed this just in time (17)

Final: U R F2 U' D' L B2 U2 F2 D F2 D F' U2 F2 B2 L2

optimal for the scramble :)

B (U' F B)
U' R2 B2 U' B2 U'//4c3 (10)
L' F2 D2 [R2 U2 L' U2 L']
U2 B2 U2//M slice (21)

[]->L2 D2 R' B2 R' (21)

Final: B U' R2 B2 U' B2 U' L' F2 D2 L2 D2 R' B2 R' U2 B2 U2 B' F' U

I was stuck on the 9+4 on inverse for a very long time before deciding to try the DR flip of it, then the first one I wrote gave a direct 21 to slice so yay I guess

other:

(U) R' B U'
F L' U2 F R//4a2 (9)

(R' D' L F)
F2 D2 B2 L' U' D//4c3 (10)
(R' F2 U2 [R B2 R2 D2 L])
(B2 F2 U D' L2 U' D)//M slice in 20 with a 5 cancel lol

[]->(R' D2 L2 F2 L') (20)

Final: F2 D2 B2 L U' D F2 B2 L F2 L2 D2 R U2 F2 R F' L' D R

optimal after (R' D' L)

other:

(L) U L F2 R'
U' F U2 D2 B//2c3 (10)

(L) L D2 B2 L'
D B' U B'//4b2 (9)
(D') D2 L2 U'
B2 R L B2 R L U2 B2//solve (21)

Final: L D2 B2 L' D B' U B' D2 L2 U' B2 R L B2 R L U2 B2 D L'

the finish took me extremely long to find lol

other:

(L) B2 R2 U2 L'
U L2 U F' U' F//0c0 4e
U' L2 R2 D'
B2 R2 U2 R2 D2 F2//21 to slice no +0

B' U B'
U' L (U F2 U' L)//2c3 (9)

B' U B'
U B2 U2 L' U' R//2c4 (9)

L (B R U' L')
U2 D' F2 U F' U2 F//4b2, scr was bad enough that I actually considered writing 12 to DR imagine

R2 F2//setup trigger but i can see the rest from here
D F2 U D L2 U//solve lmao (20)

Final: L U2 D' F2 U F' U2 F R2 F2 D F2 U D L2 U L U R' B'

optimal after (B R U') lol

other:

(U' B F' L F')
(U D' R' D' L)//2c3 (10)

(R2 B2 R F')
(D' U2 B2 L2 U R')//4a1 2e (10)
L2 [D F2 B2 D L2 D
L2 F2 U2] B2//E slice (21)

[]->U L2 R2 U R2 D R2 B2 D2 (21)

Final: L2 U L2 R2 U R2 D R2 B2 D2 B2 R U' L2 B2 U2 D F R' B2 R2

the 9 move version of this DR is 20 opt and really easy but I missed it skull

other:

(R) D' U2 R'
B2 R2 U2 F2 U//4b2 (9)

(R') D' U2 R
(U' R2 B D B' D)//4b2 (10)

(D' R' D F')
(L R2 B2 L' F2 D)//2c3 (10)

(R' F)
(L D) D2 L' D2 U R U//4b2 (10)

(R' F)
D2 U2 R U' R' D R//4c3 (9)

(R' F')
U (L' D' R' D2 L2 R' U)//4b2 (10)

(R' F)
D' R D R' U2 R//2c5 (8)

(R U' F D)
(B' R' F)//4c4 (7)
(R) [R' D2 R B2 L2 D2 R]
B2 U D' F2 U D//M slice (21)

[]->L' F2 L B2 R2 U2 L2 R' (22)

Final: L' F2 L B2 R2 U2 L2 R' B2 U D' F2 U D R' F' R B D' F' U R'

I found this slice very late and missed the optimal from DR. From my slice you basically had to remove the U D F2 U D thing to create a blockyfish, change it to the other one and add back the UD stuff and the M slice now solves in 0. 

other:

L' B U F' D
R B2 L U2 L2 B//2c3 (11)

(F U' R F B)
(D R F2 B2 D)//2c4 (10)
F2 L' D2 [L U2 L' U2 L
U2 L2] F2//M slice (21)

[]->R B2 R' U2 R B2 R' L' (22)

Final: F2 L' D2 R B2 R' U2 R B2 R' L' F2 D' B2 F2 R' D' B' F' R' U F'

I didn't think I would get anything decent out of the DRs I had but this solution popped out after trying like 2 HTRs lol

optimal finish

other:

(R2 D' F' U)
(B2 L' B' U2 R' B2 R)//4c3 (11)

(D R' F' U)
(B' L) B' F2 U2 L F2 L//4a1 (12)

D R U' F' L
B' L2 U2 B U//4a2 (10)
(L2 F D2 F2 D2 L2 F)
(L2 U2 R2 U2 F2)//solve (22)

Final: D R U' F' L B' L2 U2 B U F2 U2 R2 U2 L2 F' L2 D2 F2 D2 F' L2

optimal after EO

other:

B2 D
(F L' U2 F' U2 B R)//2c4 (9)

R B2 R' D
R U2 D2 F R//0c4 (9)

B2 D'
(L) L' F' D2 B' L2 F R//4c3 (10)

B' U' B F
(L U) L' B2 D2 R' U'//4b2 (11)
([R F2 D2 L')
(F2 L2 D2] F2 U2 F2)//M slice (21)

[]->(L D2 B2 R' L2 U2 R2 F2 L2) (23)

Final: B' U' B F L' B2 D2 R' U' F2 U2 F2 L2 F2 R2 U2 L2 R B2 D2 L' U' L'

optimal finish

L scramble

other:

R' D' U2 L' U'
F L' B' U2 R//0c3 (10)

R (B' R)
D L2 D2 F' R2 B'//4b2 (9)
L2 U2 L2 U' R2 B2 U
R' L' F2 D2 L R'//solve (21)

Final: R D L2 D2 F' R2 B' L2 U2 L2 U' R2 B2 U R' L' F2 D2 L R2 B

optimal finish

mallard lists a 20 from this DR:

L U2 R'
D' L2 D2 U' F U

I had a 9 to dr from that rzp but didnt find this one smh

other:

R B2 L
U' B R2 F2 D//4b5 (8)
(U2 D2 F U2 B2 U2)//14 to 3c + slice lol

L U2 R'
D F D R2 D' B//2c3 (9)

L U2 R'
U D2 B2 D B U//4a2 (9)

R (B' R')
(D) U2 F' U2 F D//2c3 (9)

R (B' R)
(B D) B' R2 D2 B2 D//2c3 (10)

R' F' D'
B2 L' F' R2 B L//4c3 (9)

(U' F R2 D)
D2 R2 B' D2 F//2c4 (9)
(R') D2 L F2 L' D2 B2 R
B2 L2 F2//M slice (20)

...L F2 [L' D2 B2 R B2 L2 F2 R] D'...

[]->R' B2 U2 R U2 L2 D2 L' R2 (21)

optimal finish

if you write down the correct 5 move extension of the 4 movers on red there is a 17 according to mallard but I don't usually write those.

other:

R2 U' F R B'
U R' D2 R U R//4b2 (11)

(F U' R2 D)
F (B' F2 L2 R F)//4b2 (10)

(D' R' D)
(F' L F' L' F)//4b2 (8)
F2 U2 L' B2 R'
F2 L2 F2 U2 F2 U2//solve (19)

mallard lists an 18 if you switch and do L R rzp off this EO, i'm sure some people will find it. Oh well.

optimal finish

other:

(L D' R' D)
B2 R2 B L B'//2c3 (9)

(D' R' D)
B2 L' F' R F R//4b2 (9)

U' B' L B
(L2 F2 D' L' D R)//4a2 2e (10)

(L' D' R' D)
(R' D2 B' L' B)//2c4 (9)