try dis
startin on low c wid your left hand play a chromatic scale dis way
543212 (right hand on f# now) 212345 den left on c 543212(r)212345
etc opt to da hightest c (85 notes)
dats twoh nahds for each octave
see what da fastest you can do dis in
im gonna go try it n see what i get in a couple days
da challenge starts at under 5.5 sec