AA route for NSC

set fast/off/shift

walk one tile above shorts guy
walk 3 to the left of the sign in cerulean

swap 3 with 6
toss 6 (should be 1 item)
toss all of slot 1 item 4 times
toss all MINUS 2 of slot 1 item
swap 1 with 2
swap 1 with 2
swap the j. item with a weird 9 quantity with ultra ball x0
toss 11 of the j item
now that the j item has 8, swap it with master ball x17 (down 4)
go up