Pieces =  12
cksum.aa = 3281797737 240640
cksum.ab = 887297331 240640
cksum.ac = 2487304573 240640
cksum.ad = 1014833673 240640
cksum.ae = 3543748869 240640
cksum.af = 1225085023 240640
cksum.ag = 3371525725 240640
cksum.ah = 2571229969 240640
cksum.ai = 3389511989 240640
cksum.aj = 1699767719 240640
cksum.ak = 1657576531 240640
cksum.al = 756619554 239972