There are a lot of times when even the 1% and 0.1% ladders don't have the value you need, and you can usually construct a combination of only two of them to get

There are a lot of times when even the 1% and 0.1% ladders don't have the value you need, and you can usually construct a combination of only two of them to get that value, thanks to the way the ladders are set up.