运行以下程序，单击命令按钮后在窗体上输出内容_________。Private Sub Command1_Click()Dim a() As IntegerDim i As Integer, j As IntegerReDim a(3, 4)For i = 1 To 3For j = 1 To 4a(i, j) = i* 10 + jNext jNext iReDim a(4, 5)Print a(2, 3)End Sub