Pieces =  12
cksum.aa = 2416129476 240640
cksum.ab = 1737956933 240640
cksum.ac = 3096157016 240640
cksum.ad = 3836893576 240640
cksum.ae = 4106567273 240640
cksum.af = 3811204222 240640
cksum.ag = 1239674693 240640
cksum.ah = 1130394479 240640
cksum.ai = 3439565744 240640
cksum.aj = 2628062878 240640
cksum.ak = 1863016369 240640
cksum.al = 3175497235 79093