.EQ
delim %%
gfont C
.EN
.RS
.PS
scale=1.2
line   from (7.000000, 8.225000) to (7.000000, 8.062500);
line   from (4.000000, 8.225000) to (4.000000, 8.062500);
line   from (1.000000, 8.225000) to (1.000000, 8.062500);
line   from (0.800000, 8.150000) to (7.187500, 8.150000);
line from (1.0,8.15) to (1.2,8.55);
line from (1.2,8.55) to (3.8,8.55);
line from (3.8,8.55) to (4.0,8.15);
line from (4.0,8.15) to (4.2,8.55);
line from (4.2,8.55) to (7.0,8.55);

line from (1.0,8.15) to (1.1,8.65);
line from (1.1,8.65) to (7.0,8.65);
line dashed from (7.0,8.65) to (7.0,8.15);

line from (1.0,7.8) to (1.0,7.6375);
line from (4.0,7.8) to (4.0,7.6375);
line from (7.0,7.8) to (7.0,7.6375);

line <- from (1.0,7.7) to (2.35,7.7);
line -> from (2.55,7.7) to (4.0,7.7);
line <- from (4.0,7.7) to (5.35,7.7);
line -> from (5.55,7.7) to (7.0,7.7);

line from (1.0,7.6) to (1.0,7.4375);
line from (7.0,7.6) to (7.0,7.4375);

line <- from (1.0,7.5) to (3.85,7.5);
line -> from (4.05,7.5) to (7.0,7.5);

"\s10\fCQ\fP" at (2.4,7.68) ljust;
"\s10\fCR\fP" at (5.4,7.68) ljust;
"\s10\fCP\fP" at (3.9,7.48) ljust;

"\s10\fC%t sub 0 %\fP" at (1.0,7.95) ;
"\s10\fC%t sub i %\fP" at (4.0,7.95) ;
"\s10\fC%t sub n %\fP" at (7.0,7.95) ;
.PE
.EQ
delim %%
gfont C
.EN
