difficulty [Noun] + insuperable [Adjective]

Strength Strength Dispersion
A:
10
CHISQ:
465.12
AWT:
11,792,427
TTEST:
3.1
G2:
66.85
FAWT:
4.61
MI:
5.6
LOGLOG:
18.59
JD:
0.66
MI3:
12.24
DICE:
0.15
RANGE: