This is fairly easy to do. You just need to adjust the stem lengths of the downward beamed notes in the middle staff. See the following clip:
!NoteWorthyComposer(2.751)
|Editor|ActiveStaff:1|CaretIndex:10|CaretPos:4
|SongInfo|Title:""|Author:"<Name>"|Lyricist:""|Copyright1:"Copyright © 2017 <Name>"|Copyright2:"All Rights Reserved"
|PgSetup|StaffSize:16|Zoom:4|TitlePage:Y|JustifyVertically:Y|PrintSystemSepMark:N|ExtendLastSystem:N|DurationPadding:Y|PageNumbers:0|StaffLabels:None|BarNumbers:None|StartingBar:1
|Font|Style:StaffItalic|Typeface:"Times New Roman"|Size:10|Bold:Y|Italic:Y|CharSet:0
|Font|Style:StaffBold|Typeface:"Times New Roman"|Size:8|Bold:Y|Italic:N|CharSet:0
|Font|Style:StaffLyric|Typeface:"Times New Roman"|Size:7.2|Bold:N|Italic:N|CharSet:0
|Font|Style:PageTitleText|Typeface:"Times New Roman"|Size:24|Bold:Y|Italic:N|CharSet:0
|Font|Style:PageText|Typeface:"Times New Roman"|Size:12|Bold:N|Italic:N|CharSet:0
|Font|Style:PageSmallText|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User1|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User2|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User3|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User4|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User5|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|Font|Style:User6|Typeface:"Times New Roman"|Size:8|Bold:N|Italic:N|CharSet:0
|PgMargins|Left:1.27|Top:1.27|Right:1.27|Bottom:1.27|Mirror:N
|AddStaff|Name:"Staff"|Group:"Standard"
|StaffProperties|EndingBar:Section Close|Visible:Y|BoundaryTop:12|BoundaryBottom:12|Lines:5|Color:Default
|StaffProperties|Muted:N|Volume:127|StereoPan:64|Device:0|Channel:1
|StaffInstrument|Trans:0|DynVel:10,30,45,60,75,92,108,127
|Note|Dur:8th|Pos:1|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:2|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:4th,Dotted|Pos:3|Opts:Stem=Up
|Note|Dur:16th,Slur|Pos:4|Opts:Stem=Up,Beam=First
|Note|Dur:16th|Pos:3|Opts:Stem=Up,Beam=End
|Note|Dur:8th|Pos:1|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:1|Opts:Stem=Up,Beam=End
|Bar
|AddStaff|Name:"Staff-1"|Group:"Standard"
|StaffProperties|EndingBar:Section Close|Visible:Y|BoundaryTop:10|BoundaryBottom:10|Lines:5|WithNextStaff:Layer|Color:Default
|StaffProperties|Muted:N|Volume:127|StereoPan:64|Device:0|Channel:2
|StaffInstrument|Trans:0|DynVel:10,30,45,60,75,92,108,127
|Note|Dur:8th|Pos:1|Opts:Stem=Down,StemLength=10,Beam=First
|Note|Dur:8th|Pos:0|Opts:Stem=Down,StemLength=9,Beam=End
|Bar
|Note|Dur:4th|Pos:1|Opts:Stem=Down
|Note|Dur:4th|Pos:-4|Opts:Stem=Down
|Note|Dur:8th|Pos:-3|Opts:Stem=Down,StemLength=9,Beam=First
|Note|Dur:8th|Pos:-4|Opts:Stem=Down,StemLength=8,Beam=End
|Bar
|AddStaff|Name:"Staff-2"|Group:"Standard"
|StaffProperties|EndingBar:Section Close|Visible:Y|BoundaryTop:10|BoundaryBottom:15|Lines:5|Color:Default
|StaffProperties|Muted:N|Volume:127|StereoPan:64|Device:0|Channel:3
|StaffInstrument|Trans:0|DynVel:10,30,45,60,75,92,108,127
|Note|Dur:8th|Pos:-2|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:-2|Opts:Stem=Down,Beam=End
|Bar
|Note|Dur:4th|Pos:-2|Opts:Stem=Down
|Note|Dur:4th|Pos:-4|Opts:Stem=Down
|Note|Dur:8th|Pos:-6|Opts:Stem=Down,Beam=First
|Note|Dur:8th|Pos:-6|Opts:Stem=Down,Beam=End
|Bar
!NoteWorthyComposer-End
I believe there are one or more user tools which automate this process, but I don't recall their names. I'll let their authors describe them.