1 computing fact1(15) 2 in wrapper1-pre: fact(15) 3 in wrapper2-pre: fact(14) 4 in wrapper1-pre: fact(13) 5 in wrapper2-pre: fact(12) 6 in wrapper1-pre: fact(11) 7 in wrapper2-pre: fact(10) 8 in wrapper1-pre: fact(9) 9 in wrapper2-pre: fact(8) 10 in wrapper1-pre: fact(7) 11 in wrapper2-pre: fact(6) 12 in wrapper1-pre: fact(5) 13 in wrapper2-pre: fact(4) 14 in wrapper1-pre: fact(3) 15 in wrapper2-pre: fact(2) 16 in wrapper1-pre: fact(1) 17 in wrapper2-pre: fact(0) 18
