blacken [Adjective] + wall [Noun]

Strength Strength Dispersion
A:
8
CHISQ:
217.26
AWT:
14,502,198
TTEST:
2.73
G2:
45.58
FAWT:
3.75
MI:
4.86
LOGLOG:
14.59
JD:
0.66
MI3:
10.86
DICE:
0.09
RANGE: