Pieces =  12
cksum.aa = 1807948885 240640
cksum.ab = 1593346809 240640
cksum.ac = 4143282188 240640
cksum.ad = 4081911545 240640
cksum.ae = 465586457 240640
cksum.af = 3719004577 240640
cksum.ag = 3684753203 240640
cksum.ah = 4008705553 240640
cksum.ai = 3216042231 240640
cksum.aj = 1584354055 240640
cksum.ak = 3738671985 240640
cksum.al = 154476629 33906