Pieces =  12
cksum.aa = 954954632 240640
cksum.ab = 412123123 240640
cksum.ac = 1289292139 240640
cksum.ad = 1050180174 240640
cksum.ae = 3051742386 240640
cksum.af = 4093499811 240640
cksum.ag = 1338518216 240640
cksum.ah = 3045899764 240640
cksum.ai = 4131527306 240640
cksum.aj = 495310969 240640
cksum.ak = 298955078 240640
cksum.al = 565819540 12987