Pieces =  7
cksum.aa = 3629060294 240640
cksum.ab = 1235840745 240640
cksum.ac = 2920642003 240640
cksum.ad = 3022732704 240640
cksum.ae = 1962551744 240640
cksum.af = 3128453405 240640
cksum.ag = 3677447012 50067