Pieces =  12
cksum.aa = 1334237502 1457152
cksum.ab = 2626681181 1457152
cksum.ac = 1114323963 1457152
cksum.ad = 4194478 1457152
cksum.ae = 1571991199 1457152
cksum.af = 2304721386 1457152
cksum.ag = 473492628 1457152
cksum.ah = 66919832 1457152
cksum.ai = 1343721886 1457152
cksum.aj = 2291491735 1457152
cksum.ak = 1225012431 1457152
cksum.al = 3257201589 234186