#$^#$ How do you win this thing? I try getting close in single steps, it bolts. try getting close in big steps, it bolts. Try getting close, then going full sp

#$^#$ How do you win this thing? I try getting close in single steps, it bolts. try getting close in big steps, it bolts. Try getting close, then going full speed the last bit ... it bolts. I get the idea this is a variant on a certain card game (nim?) , but somehow I'm getting the rules wrong?