Pieces =  20
cksum.aa = 1926545141 1425408
cksum.ab = 3581869996 1425408
cksum.ac = 82519980 1425408
cksum.ad = 184423181 1425408
cksum.ae = 345750031 1425408
cksum.af = 1168416040 1425408
cksum.ag = 3761246710 1425408
cksum.ah = 3895515030 1425408
cksum.ai = 3246438341 1425408
cksum.aj = 3810639734 1425408
cksum.ak = 2398378194 1425408
cksum.al = 2387530164 1425408
cksum.am = 3625306787 1425408
cksum.an = 571995770 1425408
cksum.ao = 798705204 1425408
cksum.ap = 3147096360 1425408
cksum.aq = 2786184191 1425408
cksum.ar = 297902288 1425408
cksum.as = 2984845188 1425408
cksum.at = 1586799705 1039779