Pieces =  8
cksum.aa = 2712348876 240640
cksum.ab = 2063538668 240640
cksum.ac = 2140997648 240640
cksum.ad = 3509379956 240640
cksum.ae = 1680554788 240640
cksum.af = 3896964027 240640
cksum.ag = 1613113615 240640
cksum.ah = 4287213041 141150