Pieces =  11
cksum.aa = 1914685683 240640
cksum.ab = 521673262 240640
cksum.ac = 1793130318 240640
cksum.ad = 529656557 240640
cksum.ae = 3851100540 240640
cksum.af = 967605908 240640
cksum.ag = 2592849406 240640
cksum.ah = 1918409542 240640
cksum.ai = 798493278 240640
cksum.aj = 2596622383 240640
cksum.ak = 4046357423 17877