Pieces =  12
cksum.aa = 2589406128 240640
cksum.ab = 303417558 240640
cksum.ac = 2468321714 240640
cksum.ad = 1165881724 240640
cksum.ae = 928007534 240640
cksum.af = 3935248061 240640
cksum.ag = 1636308937 240640
cksum.ah = 820244870 240640
cksum.ai = 1091491628 240640
cksum.aj = 141359215 240640
cksum.ak = 2021068742 240640
cksum.al = 2988604426 70691