There is a six-digit number, the number in the ones place is 5, the number in the tens place is 8, the sum of any three adjacent numbers is 20, what is this six-digit number?
有一个六位数，个位上的数字是5，十位上的数字是8，任意相邻的三个数字的和都是20，这个六位数是多少？
<result>785_785</result>