Arpeggio and spacing question.

[Hwaen Ch'uqi]

Greetings All,

The following code results in the second arpeggio sign running into
the preceding D-flat in the left hand. As there is very little room to
move the arpeggio to the right before running into the following
accidentals (also in the left hand), is there another spacing solution
to this problem that I am not considering? Any help would be greatly
appreciated.

Hwaen Ch'uqi

\version "2.19.46"

#(set-global-staff-size 17.82)

  \score {
    <<
      \new Staff {
        \relative c' {
          \key des \major \time 2/4 \clef treble
          f8 es aes, es' %271
        }
      }
      \new PianoStaff <<
        \set PianoStaff.connectArpeggios = ##t
        \new Staff = up \with {
          \consists "Span_arpeggio_engraver"
        }
        \relative c' {
          \key des \major \time 2/4 \clef treble
          <<
            {
              <bes' f des>4\arpeggio^\markup \italic "molto rit." <aes es
ges,!>\arpeggio %271A
            }
            \\
            {
              aes,8 g \once \override NoteColumn.force-hshift = #1.5 \shiftOn
des' c %271B
            }
          >>
        }
        \new Staff = down \with {
          \consists "Span_arpeggio_engraver"
        }
        \relative c' {
          \key des \major \time 2/4 \clef bass
          <es,,,>16\arpeggio es'8 des'16 \ottava #-1 <a,, aes'!>\arpeggio
\ottava #0 aes''8 \clef treble <aes''' aes'>16\arpeggio %271
        }
      >>
    >>
  }

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