951-(r-354)=882
951-r+354=882
-r=882-951-354
-r=-423
r=423
549-(425-b)=488
549-425+b=488
b=488-549+425
b=364
951-(r-354)=882
951-r+354=882
-r=882-951-354
-r=-423
r=423
549-(425-b)=488
549-425+b=488
b=488-549+425
b=364