fourier-filter.py -r 0-1 -i fourier1.txt -o 1_0-1.txt
fourier2func.py -f func1.txt -i 1_0-1.txt -o 2_0-1.txt

fourier-filter.py -r 0-1 -i fourier1.txt -o 1_0-10.txt
fourier2func.py -f func1.txt -i 1_0-10.txt -o 2_0-10.txt

fourier-filter.py -r 0-1 -i fourier1.txt -o 1_0-20.txt
fourier2func.py -f func1.txt -i 1_0-20.txt -o 3_0-20.txt

fourier-filter.py -r 0-1 -i fourier1.txt -o 1_0-30.txt
fourier2func.py -f func1.txt -i 1_0-30.txt -o 4_0-30.txt

fourier-filter.py -r 0-1 -i fourier1.txt -o 1_0-40.txt
fourier2func.py -f func1.txt -i 1_0-40.txt -o 5_0-40.txt

fourier-filter.py -r 0-1 -i fourier1.txt -o 1_0-60.txt
fourier2func.py -f func1.txt -i 1_0-60.txt -o 6_0-60.txt