There is an 8-digit number, the first 5 digits of which are the same, and the last 3 digits are the same. When these numbers are added together, the sum obtained is exactly a two-digit number composed of the fifth and sixth digits from the left. What is the 8-digit number.
有一个8位数，它的前5位数字相同，后3位数字相同，把这些数字加起来，所得的和正好是左起第五、六位组成的两位数．这个8位数是多少．
<result>22_222_555</result>