Makefile
#1 99
#2 23
#3 20
#4 11
#5 9
#6 3
#7 3
#8 3
#9 2
#10 2
#11 1
#12 1
#13 1
#14 1
#15 1
#16 1
#17 1
#18 1
#19 1
#20 1