11-6=

20-11=

13-7=

16-15=

18-6=

15-9=

17-0=

16-8=

11-4=

17-11=

13-1=

18-10=

19-9=

16-3=

11-2=

18-13=

18-16=

12-6=

11-2=

20-19=

12-11=

16-15=

11-10=

17-8=

14-7=

20-3=

18-9=

11-10=

20-5=

12-12=

14-12=

14-7=

20-17=

17-14=

11-11=

18-18=

12-9=

19-12=

15-13=

18-13=

15-8=

11-1=

18-1=

19-11=

17-5=

19-2=

17-5=

18-3=

15-2=

15-13=