Pieces =  18
cksum.aa = 2406329835 1457152
cksum.ab = 3295353828 1457152
cksum.ac = 2374943850 1457152
cksum.ad = 3204259539 1457152
cksum.ae = 1326111680 1457152
cksum.af = 2741595656 1457152
cksum.ag = 4273893277 1457152
cksum.ah = 3914796158 1457152
cksum.ai = 351508734 1457152
cksum.aj = 4107235841 1457152
cksum.ak = 406086272 1457152
cksum.al = 3296406838 1457152
cksum.am = 4241869672 1457152
cksum.an = 804380993 1457152
cksum.ao = 222152688 1457152
cksum.ap = 4066870744 1457152
cksum.aq = 816712158 1457152
cksum.ar = 2845854599 1159259