Pieces =  6
cksum.aa = 2220053232 1425408
cksum.ab = 3590323896 1425408
cksum.ac = 4188907008 1425408
cksum.ad = 279781296 1425408
cksum.ae = 1990736616 1425408
cksum.af = 1621541158 570810