Chapter 20 - 20

ExpExpExpExpExpExpExpExpExpExpExpExpExp ExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExp ExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExp ExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExp ExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExp ExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExp ExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExpExp