\environment columnsets-000

\definecolumnset[example][n=4,page=left]

\definecolumnsetarea
  [first]
  [x=2,y=4,nx=2,ny=8,
   background=contrast,
   state=start]

\definecolumnsetarea
  [second]
  [x=1,y=20,nx=1,ny=3,
   background=contrast,
   state=start]

\starttext

\startcolumnset[example]

  \dorecurse{50}{\fakewords{50}{100}\par}

\stopcolumnset

\stoptext