Pieces =  6
cksum.aa = 889791276 1425408
cksum.ab = 2617935931 1425408
cksum.ac = 2671384036 1425408
cksum.ad = 1655502876 1425408
cksum.ae = 3175335478 1425408
cksum.af = 2695864938 1307985