Pieces =  11
cksum.aa = 484019106 240640
cksum.ab = 660849563 240640
cksum.ac = 1746141821 240640
cksum.ad = 167791235 240640
cksum.ae = 2942060525 240640
cksum.af = 791942518 240640
cksum.ag = 2442598073 240640
cksum.ah = 3251094044 240640
cksum.ai = 2742374536 240640
cksum.aj = 1012297878 240640
cksum.ak = 186500128 193621