Pieces =  12
cksum.aa = 1704612962 1457152
cksum.ab = 2406259300 1457152
cksum.ac = 783233330 1457152
cksum.ad = 3171921161 1457152
cksum.ae = 113005284 1457152
cksum.af = 2209758814 1457152
cksum.ag = 3137351829 1457152
cksum.ah = 3707646419 1457152
cksum.ai = 1328489899 1457152
cksum.aj = 2577972495 1457152
cksum.ak = 3817429719 1457152
cksum.al = 714268532 238755