Pieces =  7
cksum.aa = 2809263016 240640
cksum.ab = 3823229809 240640
cksum.ac = 3487452897 240640
cksum.ad = 3614386853 240640
cksum.ae = 1061724954 240640
cksum.af = 3254318945 240640
cksum.ag = 3408890668 93446