Pieces =  17
cksum.aa = 1882973268 240640
cksum.ab = 4166711231 240640
cksum.ac = 117273910 240640
cksum.ad = 2441231886 240640
cksum.ae = 2176715692 240640
cksum.af = 1160557859 240640
cksum.ag = 2032318818 240640
cksum.ah = 2708159903 240640
cksum.ai = 3323162157 240640
cksum.aj = 2550690940 240640
cksum.ak = 3671811948 240640
cksum.al = 4124300812 240640
cksum.am = 227886169 240640
cksum.an = 789160339 240640
cksum.ao = 2186978589 240640
cksum.ap = 703441364 240640
cksum.aq = 2894591048 458