I just found a really easy 18-move solution on an official scramble :-)
The scramble is from ZiboOpen2017
R' U' F D L2 U2 R2 F2 D' R2 F D2 R' B2 L B F R' F' L2 R' U R' U' F
2x2x2: (B' L' U' B2 U' R2)
F2L-1: U F
finish: (F L2 F U' L U2 B' U' B L2)
Solution: U F L2 B' U B U2 L' U F' L2 F' R2 U...