Pieces =  6
cksum.aa = 3551476117 1425408
cksum.ab = 1084960560 1425408
cksum.ac = 3187088533 1425408
cksum.ad = 2961001512 1425408
cksum.ae = 3944403385 1425408
cksum.af = 2829898363 166359