| num1,operation,num2,output,flag | |
| 2,subtract,3,0,wrong sign | |
| 2,subtract,2,0,other | |
| 1,add,0,1,wrong sign | |
| 1,add,0,1,off by one | |
| 4,subtract,3,1,off by one | |
| 4,subtract,3,1,other | |
| 4,subtract,3,1,other | |
| 8,subtract,3,1,other | |
| 8,subtract,3,1,new | |
| 8,subtract,3,1,new | |
| 8,subtract,3,1,new | |