\documentclass[letterpaper]{article}
%\usepackage[showframe]{geometry}
\usepackage{fourier}
\usepackage{pgffor}
\usepackage[dvipsnames]{xcolor}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}
$
\foreach \i [count=\i] in {0,...,7}
{q
\draw [red, thick] (0,\i+7.5) -- (1,\i+7.5) node[anchor=west] {\i *C};
\draw[red, very thick] (0,0) rectangle (3,16);
}
\foreach \i [count=\i] in {-8,...,-1}
{
\draw [blue, thick] (0,\i+7.5) -- (1,\i+7.5) node[anchor=west] {\i *C};
\draw[blue, very thick] (0,0) rectangle (3,7);
}
$
\end{tikzpicture}
\end{document}
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}