[hssandwich]

All with limit:

#1: 28

Spoiler (Click to View)

(D' R D) //square
(U2 F' U') //another square
F' R2 B2 // pseudo 223
(L2 B L D2 L2) // pseudo F2L-1
(B' U B' U' B2 D') //leave 3c+1t in 20

Skeleton: F' R2 B2 D B2 * U B U' B L2 D2 L' B' L2 U F U2 D' R' D
*: B' $ D' B U B' D B U' (4 cancel)
$: B' D F' D' B D F D' (4 cancel)
=28 moves
Lucky insertions :p

#2: 26

Spoiler (Click to View)

F (D2 L' F') //EO
(R U D' F2) //222
(U' B2 U2) // 1x2x3
(U R U' L R' U R' U' L' R2) //leave 3c in 20

Skeleton: F R2 L U R U' R L' U R' U * B2 U F2 D U' R' F L D2
*U' B2 U F U' B2 U F' (2 cancel)
=26 moves

#3: 30

Spoiler (Click to View)

F' U B (B2) //222
R' //EO
F2 U' F U //223
(R2 U F U' F') //F2L-1
(F D2 B' D' B D' F' R2) //leave 3c+1t in 20

Skeleton: F' U B R' F2 U' F U * R2 F D B' D B D2 U F' U' R2 B2
*F L F' @ R2 F L' F' R2 (4 cancel)
@ F' L2 F R' F' L2 F R (2 cancel)
=30 moves

28,26,30 = 28.00 mean