Pieces =  13
cksum.aa = 945447031 1425408
cksum.ab = 2131027665 1425408
cksum.ac = 421992485 1425408
cksum.ad = 3358866381 1425408
cksum.ae = 184939332 1425408
cksum.af = 2791076248 1425408
cksum.ag = 4009461304 1425408
cksum.ah = 4179030485 1425408
cksum.ai = 425931967 1425408
cksum.aj = 1668846943 1425408
cksum.ak = 660221418 1425408
cksum.al = 3897028191 1425408
cksum.am = 2170191119 541220