\version "2.18.2"

spacing = {
   \repeat unfold 13  { s2. }
   \pageBreak
   \repeat unfold 10  { s2. }
   \pageBreak
   \repeat unfold 16  { s2. }
   \pageBreak
}

%{
spacing = {
%1
   \repeat unfold 4  { s2. }
   \break
   \repeat unfold 4 { s2. }
   \break
   \repeat unfold 4 { s2. }
   \break
   \pageBreak
%2
   \repeat unfold 4 { s2. }
   \break
   \repeat unfold 3 { s2. }
   \break
   \repeat unfold 3 { s2. }
   \break
   \repeat unfold 4 { s2. }
   \break
   \pageBreak
%3
   \repeat unfold 3 { s2. }
   \break
   \repeat unfold 3 { s2. }
   \break
   \repeat unfold 3 { s2. }
   \break
   \repeat unfold 4 { s2. }
   \break
   \pageBreak
}
%}