# vi.txt	20230109_0730 HEAD
fld10 fld11 fld12 fld13 fld14 fld15
fld20 fld21 fld22 fld23 fld24 fld25
# vi.txt	20230109_0730 BODY
fld30 fld31 fld32 fld33 fld34 fld35
fld40 fld41 fld42 fld43 fld44 fld45
fld50 fld41 fld52 fld53 fld54
# vi.txt	20230109_0730 TAIL