Pieces =  6
cksum.aa = 2772291771 1425408
cksum.ab = 1560754034 1425408
cksum.ac = 1798251944 1425408
cksum.ad = 3755719929 1425408
cksum.ae = 1783035966 1425408
cksum.af = 1738559862 1421167