Pieces =  12
cksum.aa = 3917881553 1457152
cksum.ab = 3884696386 1457152
cksum.ac = 633347640 1457152
cksum.ad = 568962393 1457152
cksum.ae = 1384643748 1457152
cksum.af = 3934065382 1457152
cksum.ag = 577623534 1457152
cksum.ah = 3864897290 1457152
cksum.ai = 136678317 1457152
cksum.aj = 4263794081 1457152
cksum.ak = 1475417505 1457152
cksum.al = 1024706236 233790