Pieces =  8
cksum.aa = 4291982163 240640
cksum.ab = 1237018631 240640
cksum.ac = 3233814533 240640
cksum.ad = 1625312022 240640
cksum.ae = 4251044209 240640
cksum.af = 150525817 240640
cksum.ag = 233265359 240640
cksum.ah = 566380583 88010