Pieces =  16
cksum.aa = 3060433955 240640
cksum.ab = 357134466 240640
cksum.ac = 2317108169 240640
cksum.ad = 800504905 240640
cksum.ae = 3427455088 240640
cksum.af = 3963361662 240640
cksum.ag = 3511274252 240640
cksum.ah = 3426190366 240640
cksum.ai = 1989901117 240640
cksum.aj = 3842071697 240640
cksum.ak = 202143043 240640
cksum.al = 347809552 240640
cksum.am = 3465456076 240640
cksum.an = 1873413095 240640
cksum.ao = 979514126 240640
cksum.ap = 2019780165 145917