12-3=18-9=11-6=11-6=16-9=9+()=157+()=135+()=139+()=168+()=17 14-()=5 17-()=8 11-()=8 17-()=9 13-()=8 13-9= 11-5= 11-2= 13-4= 13-9= 12-9= 12-9= 12-8= 11-8= 17-8= 17-9= 12-9= 13-4= 17-8= 15-8= 14-8= 12-8=
7+( 9+( 5+( 3+( 8+( 4+( 9+( 8+( 4+( 6+( 8+( 8+( 6+( 7+( 9+( 9+( 4+( )=15)=18)=11)=11)=17)=12)=17)=17)=13)=14)=16)=13)=15)=15)=18)=17)=13
13-( 16-( 18-( 15-5=12-( 15-( 16-( 18-( 12-( 13-( 17-( 18-( 11-( 14-( 14-( 14-( 16-( 8 8 9 5 8 8 9 4 9 9 9 3 6 7 7 8
)= )= )=)= )= )= )= )= )= )= )= )= )= )= )= )=
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