c:\test>head 854367-11m.dat
aaaaa  5,12,11,15
aaaab  23,26,12,27,17
aaaac  18,1,5
aaaad  20
aaaae  29,6,6,31,4
aaaaf  27,11,29,4,3
aaaag  12,4,6,28
aaaah  19,29,18,26,21
aaaai  11,22,6
aaaaj  8

c:\test>tail 854367-11m.dat
zzzyv  26
zzzyw  7
zzzyx  29,17,14
zzzyy  26,6,24,21,3,25
zzzyz  9,24,30
zzzza  5,26,3,17,28
zzzzb  16,1,6,14,9,9
zzzzc  22,2,1,28,7,21
zzzzd  17
zzzze  2

11/08/2010  18:23             1,787 854367-100.dat
11/08/2010  18:15            17,311 854367-1000.dat
11/08/2010  18:15           174,511 854367-10000.dat
11/08/2010  18:15         1,747,330 854367-100000.dat
11/08/2010  18:15       207,709,322 854367-11m.dat
11/08/2010  18:23             3,532 854367-200.dat
11/08/2010  18:36            34,777 854367-2000.dat
11/08/2010  19:02            52,181 854367-3000.dat