LT8471: 40V in to +/-20 possible?

Is it possible for LT8471 to handle 42V input and generate +/-20V bipolar output, 0.3-0.4A per rail? I was looking at figure 10A which is pretty much what I need, but the voltages are a bit off. 

If it's possible, what should I change besides the feedback resistors? If not, are there other chips that are suitable for this task?

Thanks!