Pieces =  18
cksum.aa = 2071350433 240640
cksum.ab = 1182395221 240640
cksum.ac = 594687038 240640
cksum.ad = 3863259649 240640
cksum.ae = 90620969 240640
cksum.af = 727157425 240640
cksum.ag = 3583067380 240640
cksum.ah = 241172119 240640
cksum.ai = 860511493 240640
cksum.aj = 1312322074 240640
cksum.ak = 873908671 240640
cksum.al = 4204877080 240640
cksum.am = 2529921240 240640
cksum.an = 3233391986 240640
cksum.ao = 1875386549 240640
cksum.ap = 361916094 240640
cksum.aq = 576039333 240640
cksum.ar = 4247071437 118226