%
% Between the 2&3 rows with a vertically straddled cell
%
> \cals@last@rs@below=macro:
->{{100pt}{0pt}{0pt}{0pt}}{{100pt}{0pt}{0pt}{0pt}}.
> \cals@current@rs@above=macro:
->{{100pt}{0pt}{0pt}{0pt}}{{100pt}{0pt}{0pt}{0pt}}.
%
% Between the first row and the straddled 2&3
%
> \cals@last@rs@below=macro:
->{{100pt}{0.4pt}{0.4pt}{0.4pt}}{{100pt}{0.4pt}{0.4pt}{0.4pt}}.
> \cals@current@rs@above=macro:
->{{100pt}{0pt}{0pt}{0pt}}{{100pt}{0pt}{0pt}{0pt}}.