Pieces =  6
cksum.aa = 2048738205 1425408
cksum.ab = 3787632002 1425408
cksum.ac = 3493928650 1425408
cksum.ad = 3060455464 1425408
cksum.ae = 1332874784 1425408
cksum.af = 2877263487 166314