Pieces =  12
cksum.aa = 3517108541 240640
cksum.ab = 4213110780 240640
cksum.ac = 259699912 240640
cksum.ad = 2887454805 240640
cksum.ae = 3872978989 240640
cksum.af = 1178307243 240640
cksum.ag = 3790547690 240640
cksum.ah = 4077766078 240640
cksum.ai = 3479021922 240640
cksum.aj = 3656715992 240640
cksum.ak = 2491159642 240640
cksum.al = 3073460311 73866