Pieces =  12
cksum.aa = 212467154 240640
cksum.ab = 3681431494 240640
cksum.ac = 820822588 240640
cksum.ad = 1281048804 240640
cksum.ae = 3676023977 240640
cksum.af = 2850056493 240640
cksum.ag = 892706182 240640
cksum.ah = 197217594 240640
cksum.ai = 1484710856 240640
cksum.aj = 3927352202 240640
cksum.ak = 2412562189 240640
cksum.al = 3926633149 119073