Pieces =  6
cksum.aa = 37207725 1425408
cksum.ab = 3587498207 1425408
cksum.ac = 3327633546 1425408
cksum.ad = 3534949967 1425408
cksum.ae = 2113274678 1425408
cksum.af = 1728207523 505174