Pieces =  11
cksum.aa = 2037674887 240640
cksum.ab = 556248005 240640
cksum.ac = 3150468930 240640
cksum.ad = 3437741079 240640
cksum.ae = 1523216 240640
cksum.af = 3191535749 240640
cksum.ag = 2907042577 240640
cksum.ah = 2628119157 240640
cksum.ai = 54874702 240640
cksum.aj = 3471922333 240640
cksum.ak = 2030548457 51687