I can't pass Uch-Ygyr

[hippo]

Hi
I can't past Uch-Ygyr on Tungsinn Island because game always freezes in the beginning of 4th round :/
I'm playing with build 6250.
What to do?

[Totoro]

Go get yourself some ice cream.

[hippo]

I switched to autocombat and for the 8th time it worked :)