Pieces =  21
cksum.aa = 2273222840 240640
cksum.ab = 147292932 240640
cksum.ac = 3506678 240640
cksum.ad = 363726262 240640
cksum.ae = 3071587734 240640
cksum.af = 3463608141 240640
cksum.ag = 3657694449 240640
cksum.ah = 273936520 240640
cksum.ai = 1029378172 240640
cksum.aj = 1639373261 240640
cksum.ak = 2001835517 240640
cksum.al = 1301426173 240640
cksum.am = 57779391 240640
cksum.an = 2597737982 240640
cksum.ao = 4014726624 240640
cksum.ap = 1594981188 240640
cksum.aq = 3329543909 240640
cksum.ar = 3590154698 240640
cksum.as = 38129435 240640
cksum.at = 1406245999 240640
cksum.au = 1885807084 101327