%     VAR1        VAR2        VAR3     VAR4
0     1           2           3        4 % comment on line 2
10    11          12          13       14
20    21          22          23       24
%     VAR1        VAR2        VAR3     VAR4
30    31          32          33       34
40    41          42          43       44
50    51          52          53       54
30    61          62          63       64 % comment on last line
