undergravel [Noun] + system [Noun]

Strength Strength Dispersion
A:
9
CHISQ:
20.03
AWT:
31,136,436
TTEST:
2.24
G2:
14.29
FAWT:
1.75
MI:
1.98
LOGLOG:
6.27
JD:
0.45
MI3:
8.32
DICE:
0.03
RANGE: