I'm trying to get this combo down:
5B > 5C > 623D > dash 2B > 5C > 6C > 214B(w)~C > 662B > 5B > 22C
Having a bit of trouble landing that 662B, though I did get it a few times it seemed random. Do you have to delay the 5C as much as you can and then the 6C slightly like in that 6A(RC) combo?