\version "2.19.83"

global = {
  \key c \major
  \time 4/4
}

violinI = \relative c'' {
  \global

  c1 e g e d c g e d c c
  \break
  <<
    { s1*12 }
    \new StaffGroup \with {
      alignAboveContext = "main"
      systemStartDelimiter = #'SystemStartBrace
      \override InstrumentName.self-alignment-X = -1
      shortInstrumentName = \markup { \left-column { "Vl. I" "(div.)" } }
    }

    <<
      \new Staff \with { shortInstrumentName = "1" }
      { c2 2 2 2 }
      \new Staff \with { shortInstrumentName = "2" }
      { c1 1  }
    >>
  >>
  \break
  \repeat unfold 7 { c1 } \break
}

violinII = \relative c'' {
  \global

  \repeat unfold 30 { c1 }
}

viola = \relative c' {
  \global

  \repeat unfold 30 { d1 }
}

cello = \relative c' {
  \global

  \repeat unfold 30 { e,1 }
}

violinIPart = \new Staff = "main" \with {
  instrumentName = "Violin I"
  midiInstrument = "violin"
  shortInstrumentName = "v1"
} \violinI

violinIIPart = \new Staff \with {
  instrumentName = "Violin II"
  midiInstrument = "violin"
  shortInstrumentName = "v2"
} \violinII

violaPart = \new Staff \with {
  instrumentName = "Viola"
  midiInstrument = "viola"
  shortInstrumentName = "vla"
} { \clef alto \viola }

celloPart = \new Staff \with {
  instrumentName = "Cello"
  midiInstrument = "cello"
  shortInstrumentName = "cl"
} { \clef bass \cello }

\score {
  \new StaffGroup \with {
    systemStartDelimiter = #'SystemStartSquare
  } <<
    \violinIPart
    \violinIIPart
    \violaPart
    \celloPart
  >>
  \layout {
    \context {
      \Staff
      \RemoveAllEmptyStaves
    }
  }
}

\paper {

  left-margin = 35\mm
  right-margin = 15\mm

}