Pieces =  12
cksum.aa = 1661738779 240640
cksum.ab = 3427466237 240640
cksum.ac = 3371859443 240640
cksum.ad = 3330961107 240640
cksum.ae = 2062576262 240640
cksum.af = 2698748529 240640
cksum.ag = 3002792034 240640
cksum.ah = 595967423 240640
cksum.ai = 3816910802 240640
cksum.aj = 783436011 240640
cksum.ak = 4216994917 240640
cksum.al = 1978774591 208118