20-16=

18-5=

11-1=

16-16=

16-10=

13-12=

14-5=

16-16=

15-7=

19-9=

17-11=

11-5=

20-13=

19-5=

20-0=

20-2=

13-10=

14-12=

12-8=

11-5=

13-12=

15-0=

17-14=

12-6=

15-7=

16-14=

19-10=

18-18=

11-8=

13-8=

13-5=

14-4=

19-1=

17-2=

12-0=

16-0=

18-17=

17-11=

19-1=

13-4=

14-9=

20-8=

15-11=

19-9=

13-4=

18-0=

16-10=

18-4=

16-6=

20-6=