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**Problem A of elimination/div2**

**Problem B of elimination/div2**

**Problem C of elimination/div2**

**Problem D of elimination/div2 = problem A of div1**

**Problem E of elimination/div2 = problem B of div1**

**Problem F of elimination/div2 = problem C of div1**

**Problem G of elimination/div2 = problem D of div1**

**Problem E of div1**