A ten-digit number contains every digit from 0 to 9. The digits are
arranged so that the number formed by the first two digits, reading from
left to right, is divisible by 2, the number formed by the first 3 digits
is divisible by 3, the first 4 by 4, and so on until the whole number is
divisible by 10.

What is the number? There are two digits that can be placed immediately.
Which are they?