\version "2.23.3"
\language "english"

\score {
  <<
    \new PianoStaff << 
      \new Staff = "1" 
        { \clef bass
          \time 4/4
          r2 
          \clef treble
          cs''2 |
        }
      \new Staff = "2" 
        { \clef bass
          R1 |
        }
    >>    
    \new PianoStaff << 
      \new Staff = "3"  
        \relative c'
        { \clef bass
          \override Staff.TupletBracket.bracket-visibility = ##t  
          \set tupletFullLength = ##t
          \stemUp
          af4~ \tupletUp 
          \tuplet 3/2 { af8 c, d' }\! <f,! g! e'!>16 r8. r4 |
        }
      \new Staff = "4" 
        { \clef bass
          R1 |
        }
    >>
  >>
}