grave [Adjective] + difficulty [Noun]

Strength Strength Dispersion
A:
15
CHISQ:
179.85
AWT:
5,339,930
TTEST:
3.59
G2:
56.65
FAWT:
10.18
MI:
3.8
LOGLOG:
14.84
JD:
0.69
MI3:
11.61
DICE:
0.22
RANGE: