Pieces =  12
cksum.aa = 3843158532 240640
cksum.ab = 3968337055 240640
cksum.ac = 2827947646 240640
cksum.ad = 2557414735 240640
cksum.ae = 2790649114 240640
cksum.af = 1691498225 240640
cksum.ag = 548201877 240640
cksum.ah = 345769132 240640
cksum.ai = 1097667901 240640
cksum.aj = 4267785815 240640
cksum.ak = 84606413 240640
cksum.al = 714400456 85282