[hssandwich]

All with limit:

#1: 29

Spoiler (Click to View)

U' (B U') //square
(D' L) //another square
(B R B L2) //pseudo 223
(F L' U L/L2) L2/L' //F2L-1
U' R U' R' U2 F //20 to 4c

Skeleton: U' L2 U' R U' R' U2 F @ L' & U' L F' L2 B' R' B' L' D U B'

@ F R F' L' F R' F' L (3 cancel)
& U F U' B2 U F' U' B2 (4 cancel)
=29 moves

#2: 27

Spoiler (Click to View)

F' R2 F //square
D' L //another square
R F2 L F' //almost 223
D' R' B' //F2L-1
(B' D B D' B' D B) //F2L
(B' L' D L D L' D' L B D) //finish

I also found 21 to 3c, but it only cancelled 1 for 28

#3: 25

Spoiler (Click to View)

(L U R) B2 //222
F' U' L2 U2 L' //223
F2 U2 F2 U2 //leave 3c3e

Skeleton: B2 F' U' L2 * U2 L' F2 U2 F2 U2 R' U' L'

*R D' R' U2 & R D R' U2 (2 cancel)
& L B U B' L' R D B' D' R' (4 cancel)
Optimal insertions I hadn't thought about using that edge comm before I actually started inserting.

29, 27, 25 =27.00 mean