Pieces =  12
cksum.aa = 1403218795 240640
cksum.ab = 637797002 240640
cksum.ac = 303214631 240640
cksum.ad = 4183380357 240640
cksum.ae = 1811885757 240640
cksum.af = 1792057439 240640
cksum.ag = 290631496 240640
cksum.ah = 3355575019 240640
cksum.ai = 4241677822 240640
cksum.aj = 4120166113 240640
cksum.ak = 327061819 240640
cksum.al = 16097697 5977