Since the sign says 2nd floor it only 21 flights to the 23rd floor. Since in the US the ground floor is the 1st floor it is only 22 flights from there.
A crowbar, also called a wrecking bar, pry bar or prybar, pinch-bar, or occasionally a prise bar or prisebar, colloquially gooseneck, or pig bar, or in Britain and Australia a jemmy or jimmy, is a lever consisting of a metal bar with a single curved end and flattened points, used to force two objects apart or gain mechanical advantage in lifting; often the curved end has a notch for removing nails.
I thought a thong wath thomething a thinger thang and wath played on the radio.