letterz

X Y WARP Where to find them.
18 27 W Atop a Black One-Time Switch (BOTS) near an Orange Up/Down Switch (OUDS). (It's a difficult secret)
There should be one (and only one!) Warp Letter in a Custom Level, and it should be the only prize reachable via a Red Warp .
There should be nothing else in the area reached required to complete the puzzle.