12-10=

13-5=

18-9=

12-10=

14-8=

17-15=

15-9=

12-12=

14-12=

11-9=

14-5=

18-3=

19-18=

14-5=

17-12=

13-0=

16-13=

15-14=

15-13=

15-9=

16-12=

13-2=

19-19=

14-10=

16-1=

19-19=

19-18=

17-11=

15-6=

17-9=

16-16=

12-11=

14-4=

14-13=

20-8=

17-3=

18-4=

11-5=

20-12=

15-11=

14-4=

17-4=

14-1=

15-15=

13-11=

12-11=

14-13=

12-4=

18-0=

15-15=