Pieces =  18
cksum.aa = 1074416548 1457152
cksum.ab = 4093282610 1457152
cksum.ac = 3496769749 1457152
cksum.ad = 3360815064 1457152
cksum.ae = 4230014367 1457152
cksum.af = 3579098610 1457152
cksum.ag = 3303872214 1457152
cksum.ah = 3297954687 1457152
cksum.ai = 2794460824 1457152
cksum.aj = 3934195350 1457152
cksum.ak = 3933379499 1457152
cksum.al = 3174820211 1457152
cksum.am = 2906437829 1457152
cksum.an = 2929309632 1457152
cksum.ao = 2397933814 1457152
cksum.ap = 680775896 1457152
cksum.aq = 3077864183 1457152
cksum.ar = 1629358380 94958