Pieces =  21
cksum.aa = 1998983744 240640
cksum.ab = 990611615 240640
cksum.ac = 3572144227 240640
cksum.ad = 1340382491 240640
cksum.ae = 1808565381 240640
cksum.af = 2140531676 240640
cksum.ag = 3419205416 240640
cksum.ah = 957485514 240640
cksum.ai = 287101163 240640
cksum.aj = 2035567589 240640
cksum.ak = 3909558824 240640
cksum.al = 2125434177 240640
cksum.am = 86136181 240640
cksum.an = 1034046969 240640
cksum.ao = 2228158742 240640
cksum.ap = 330827924 240640
cksum.aq = 1916710846 240640
cksum.ar = 942966245 240640
cksum.as = 1362341804 240640
cksum.at = 2123415466 240640
cksum.au = 2724443670 59127