Pieces =  8
cksum.aa = 2146638613 240640
cksum.ab = 3864364827 240640
cksum.ac = 2655060669 240640
cksum.ad = 1276747728 240640
cksum.ae = 2117744132 240640
cksum.af = 3388902166 240640
cksum.ag = 2376694058 240640
cksum.ah = 1933357508 119698