Pieces =  7
cksum.aa = 3749839579 240640
cksum.ab = 3211053280 240640
cksum.ac = 1861052055 240640
cksum.ad = 1111587563 240640
cksum.ae = 2695348874 240640
cksum.af = 3186964996 240640
cksum.ag = 3142523169 101650