Pieces =  12
cksum.aa = 3985609491 240640
cksum.ab = 3386529200 240640
cksum.ac = 3139971909 240640
cksum.ad = 70221497 240640
cksum.ae = 2741137613 240640
cksum.af = 2817287755 240640
cksum.ag = 2473107839 240640
cksum.ah = 3854226535 240640
cksum.ai = 3634848130 240640
cksum.aj = 1743750776 240640
cksum.ak = 1461257130 240640
cksum.al = 2674044487 45860