F2L 18
The algorithm, how to recognise it and how to practise it without cheating.
Recommended algorithm
F' U2 F U F' U' F7 moves
Alternatives
U2 F2 U2 R' F' R U2 F28 moves
How to recognise it
White on top, corner above the slot; the edge is beside it in front, its top colour matching the corner's front sticker.
Its inverse is another case
Do the 18 algorithm backwards, F' U F U' F' U2 F, and you are solving 2.
That's why CubeDojo never scrambles 18 that way: it builds a random state with the case fixed, so you practise 18 and not 2.
Practise 18 now
Random-state scrambles, a timer and spaced review. Free, on the web and on your phone.
Other cases: Connected on top
11
U' R U2 R' U F' U' FConnected on top · 1/3812R' U2 R2 U R2 U RConnected on top · 1/3813R U R2 F R F2 U' FConnected on top · 1/3814U' R U' R' U R U R'Connected on top · 1/3815F' U F U2 R U R'Connected on top · 1/3816R U' R' U2 F' U' FConnected on top · 1/3817R U2 R' U' R U R'Connected on top · 1/3823U2 R2 U2 R' U' R U' R2Connected on top · 1/3824F U R U' R' F' R U' R'Connected on top · 1/38