As the Skewb doesn’t have a full official notation for all corner moves, the algs below might seem strange to you. I’m still describing everything with Sledges and Hedges, but using the notaion cubing.js. But I will still keep the S and H notation in the comments.
See the used Sledge and Hedge demonstration here.
3 centers
It’s always a U perm.
4 centers
Those are always going to be a variation on H or Z.
5 centers
In this intermediate method I recommend doing a pll, that solves the top face, and maybe another one. This could be a U or a Z perm.
U
It's on the y axes. Front center goes to the back, back to top, top to front.
| Algorithm | F' UL F UL' y2 F' UL F UL' |
| Comment | S y2 S |
| Move count | 8 HTM, 8 STM |
| Setup | F' UL F UL' y2 F' UL F UL' |
H
| Algorithm | F' UL F UL' y2 UL F' UL' F y2 F' UL F UL' |
| Comment | S y2 H y2 S |
| Move count | 12 HTM, 12 STM |
| Setup | F' UL F UL' y2 UL F' UL' F y2 F' UL F UL' |
Z - 2 opposite, 2 adjacent
| Algorithm | F' UL F UL' F' UL F UL' F' UL F UL' |
| Comment | S S S |
| Move count | 12 HTM, 12 STM |
| Setup | F' UL F UL' F' UL F UL' F' UL F UL' |
Z - regular
The easiest is to setup to the other Z perm, do a triple S, then undo the setup.
| Algorithm | UR F' UL F UL' F' UL F UL' F' UL F UL' UR' |
| Comment | UR S S S UR' |
| Move count | 12 HTM, 12 STM |
| Setup | UR F' UL F UL' F' UL F UL' F' UL F UL' UR' |