Pieces =  12
cksum.aa = 589362958 240640
cksum.ab = 4176415306 240640
cksum.ac = 1412046793 240640
cksum.ad = 2995136928 240640
cksum.ae = 2020115854 240640
cksum.af = 3888076440 240640
cksum.ag = 3106413472 240640
cksum.ah = 1369925320 240640
cksum.ai = 229248503 240640
cksum.aj = 627371219 240640
cksum.ak = 1679656751 240640
cksum.al = 1350990247 39638