There is an eight-digit number, the number in the ones place is 7, the number in the tens place is 2, the sum of any three adjacent numbers is 12, what is the eight-digit number?
有一个八位数，它的个位上的数字是7，十位上的数字是2，任意相邻三个数字的和都是12，这个八位数是多少．
<result>27_327_327</result>