I have nobody else to talk to on pad let

Order these space notes in the bass clef from highest space to the lowest space

Which accidental cancels all other accidentals?

To create an illustration of perspective, this artist did all of the following except 1) show clear orthogonal lines 2) have an implied vanishing point 3) distort proportion to keep the background and foreground the same size 4) include value changes between the foreground and background i was thinking maybe 1