\version "2.24.0"

ArightOne = \relative c'' {
  f4 (e8) s8 
}

ArightTwo = \relative c'' {
  \crossStaff {
  a4 g16
}
}

AleftOne = \relative c' {
  s4.
}

AleftTwo = \relative c' {
   {
  c4~ c16} <bes d> <a c> <g bes> 
}

\score {
  \new PianoStaff
  <<
    \new Staff = "right" << \ArightOne \\ \ArightTwo >>
    \new Staff = "left" { \clef bass << \AleftOne \\ \AleftTwo >> }
    >>
  \layout {
    indent = 0
    \context {
    \PianoStaff
    \consists #Span_stem_engraver
  }
  }
  }