ValueError: 25 and 34792481337 cannot be paired

[shardator]

Hi,

Well, it looks like the logic is broken.

ValueError: 25 and 34792481337 cannot be paired

Thanks,
Gergely

[shardator]

Well, I fixed it using an integer sqrt algo found on stack overflow. It is not bad, and works for 512 bit (well, actually any) numbers.