Write down the natural numbers starting from 1 consecutively. Write 100, get a multi-digit number 12345656101112A99100, divide this multi-digit number by 3, what is the remainder? Why?
连续写出从1开始的自然数．写到100，得到一个多位数12345656101112A99100，这个多位数除以3，得到的余数是几？为什么？
<result>3</result>