Pieces =  16
cksum.aa = 2206928766 240640
cksum.ab = 3580327366 240640
cksum.ac = 1357705693 240640
cksum.ad = 2996730416 240640
cksum.ae = 1318723452 240640
cksum.af = 2984693782 240640
cksum.ag = 1814715803 240640
cksum.ah = 1693303460 240640
cksum.ai = 688497160 240640
cksum.aj = 2590240330 240640
cksum.ak = 1711832220 240640
cksum.al = 1344892586 240640
cksum.am = 2655885523 240640
cksum.an = 1906400610 240640
cksum.ao = 1499788243 240640
cksum.ap = 4067455923 23093