Pieces =  12
cksum.aa = 1453125288 1457152
cksum.ab = 1768150665 1457152
cksum.ac = 668100894 1457152
cksum.ad = 3417207026 1457152
cksum.ae = 1609919945 1457152
cksum.af = 838145962 1457152
cksum.ag = 3058880071 1457152
cksum.ah = 1657218912 1457152
cksum.ai = 1240027960 1457152
cksum.aj = 8974232 1457152
cksum.ak = 1329426613 1457152
cksum.al = 828435263 238329