Pieces =  12
cksum.aa = 268829587 240640
cksum.ab = 1077099571 240640
cksum.ac = 2424421087 240640
cksum.ad = 2433348779 240640
cksum.ae = 640083044 240640
cksum.af = 1913303479 240640
cksum.ag = 4223428261 240640
cksum.ah = 1805158202 240640
cksum.ai = 176526054 240640
cksum.aj = 4019832376 240640
cksum.ak = 2510128717 240640
cksum.al = 1554496465 139505