18-8-1= 16-6-2= 18-8-2= 19-9-7=
15-5-6= 16-6-7= 14-4-9= 19-9-3=
19-9-4= 12-2-8= 11-1-1= 18-8-2=
12-2-4= 12-2-6= 14-4-5= 18-8-2=
13-3-1= 15-5-4= 17-7-9= 13-3-5=
18-8-1= 16-6-2= 18-8-2= 19-9-7=
15-5-6= 16-6-7= 14-4-9= 19-9-3=
19-9-4= 12-2-8= 11-1-1= 18-8-2=
12-2-4= 12-2-6= 14-4-5= 18-8-2=
13-3-1= 15-5-4= 17-7-9= 13-3-5=