Pieces =  18
cksum.aa = 3084986839 240640
cksum.ab = 3272931058 240640
cksum.ac = 696970246 240640
cksum.ad = 3255877842 240640
cksum.ae = 1347527036 240640
cksum.af = 1480701250 240640
cksum.ag = 2054016092 240640
cksum.ah = 1263580250 240640
cksum.ai = 949314256 240640
cksum.aj = 3024381155 240640
cksum.ak = 1171496756 240640
cksum.al = 2983313782 240640
cksum.am = 957281494 240640
cksum.an = 569395703 240640
cksum.ao = 3104519845 240640
cksum.ap = 3660558980 240640
cksum.aq = 3968068317 240640
cksum.ar = 2833392260 238331