[Calesch]

1. mit Limit:

F' (B2 R2 F') // EO
(D' L') L2 D' L B2 // 2x2x3
R U' L R' U' R' U R U' R' U L' // L3C

F' L2 D' L @ B2 R U' R' L U' R' U R U' R' U D F R2 B2
@ = [L2, F R F']

Solution: F' L2 D' L' F R F' L2 F R' F' B2 R U' R' L U' R' U R U' R' U D F R2 B2

27 Moves

backup was 14 to 3c4e with inserted U2 L B L' B' U' L2 U' L2 U' R' D F2 D' R U for 30