\environment columnsets-000

\definecolumnset[example][n=2,page=left]

\setupbackgrounds[text][background=color,backgroundcolor=color-1]

\setupcolumnsetstart[example][1][1][2]
\setupcolumnsetstart[example][1][2][4]
\setupcolumnsetstart[example][2][1][6]
\setupcolumnsetstart[example][2][2][6]
\setupcolumnsetstart[example][3][1][4]
\setupcolumnsetstart[example][3][2][2]

\setupcolumnsetlines[example][1][1][-2]
\setupcolumnsetlines[example][1][2][-4]
\setupcolumnsetlines[example][2][1][-6]
\setupcolumnsetlines[example][2][2][-6]
\setupcolumnsetlines[example][3][1][-4]
\setupcolumnsetlines[example][3][2][-2]
\setupcolumnsetlines[example][4][1][4]
\setupcolumnsetlines[example][4][2][10]

\starttext

\startcolumnset[example]

  \dorecurse{20}{\fakewords{100}{200}\par}

\stopcolumnset

\stoptext