16-4=

14-11=

15-4=

19-10=

12-7=

12-4=

13-10=

20-12=

17-13=

13-11=

18-16=

11-2=

17-4=

16-16=

19-16=

13-2=

14-8=

20-3=

17-15=

13-2=

13-7=

19-19=

18-12=

13-5=

11-0=

17-13=

13-8=

14-7=

17-11=

17-3=

12-6=

13-8=

15-4=

15-14=

17-2=

12-5=

16-15=

20-4=

15-8=

17-15=

19-4=

13-13=

13-0=

15-10=

20-8=

16-3=

16-12=

16-15=

16-14=

17-14=