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#! /bin/sh
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makearrow()
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{
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cat <<EOT
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<svg
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns="http://www.w3.org/2000/svg"
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width="64px"
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height="64px">
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<g>
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<path
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d="M $xl0,$yl0 L $xl1,$yl1 C $xcc0,$ycc0 $xcc1,$ycc1 $xc0,$yc0$extra"
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style="fill:none;stroke:#${colval};stroke-width:10;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none" />
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<path
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transform="translate($xa0,$ya0) scale(3) rotate($angle)"
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d="M -4,1 L 0,-7 L 4,1 C 2,-1 -2,-1 -4,1"
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style="fill:#${colval};stroke:#${colval};stroke-linejoin:round"
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/>
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</g>
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</svg>
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EOT
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}
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makeroundabout()
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{
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cat <<EOT
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<svg
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns="http://www.w3.org/2000/svg"
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width="64px"
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height="64px">
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<g>
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<path
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d="M $xa0 $ya0 A $r $r 0 $long1 $sweep $xl1 $yl1"
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style="fill:none;stroke:#${colval};stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:2,4" />
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<path
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d="M $xl0,$yl0 L $xl1,$yl1 A $r $r 0 $long2 $sweep $xa0 $ya0 L $xl2 $yl2"
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style="fill:none;stroke:#${colval};stroke-width:8;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none" />
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<path
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transform="translate($xl2,$yl2) scale(2) rotate($angle)"
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d="M -4,1 L 0,-7 L 4,1 C 2,-1 -2,-1 -4,1"
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style="fill:#${colval};stroke:#${colval};stroke-linejoin:round"
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/>
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</g>
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</svg>
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EOT
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}
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yl0=63
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for col in bk wh
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do
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case $col in
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bk)
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colval="000000"
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;;
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wh)
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colval="ffffff"
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;;
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esac
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for dir in left right
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do
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xl0=32
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xl1=32
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angle=360
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step=-45
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xa=33.5
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xb=26
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xc=16
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xd=22
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xe=32
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xf=28
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if [ "$dir" = "right" ]
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then
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angle=0
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step=45
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xa=30.5
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xb=$((64-xb))
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xc=$((64-xc))
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xd=$((64-xd))
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xe=$((64-xe))
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xf=$((64-xf))
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fi
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for st in 1 2 3
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do
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case $st in
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1)
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yl1=42
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yc0=20
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ycc1=31
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ycc0=31
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ya0=20
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xc0=$xd
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xa0=$xd
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xcc0=$xe
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xcc1=$xe
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;;
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2)
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yl1=25
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yc0=20
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ycc1=20
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ycc0=22
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ya0=20
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xc0=$xd
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xa0=$xd
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xcc0=$xe
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xcc1=$xf
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;;
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3)
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yl1=32
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yc0=26
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ycc1=16
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ycc0=10
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ya0=26
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xc0=$xc
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xa0=$xc
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xcc0=$xa
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xcc1=$xb
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;;
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esac
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angle=$((angle+step))
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filename="nav_${dir}_${st}_$col.svg"
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extra=""
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makearrow >$filename
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done
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filename="nav_turnaround_${dir}_$col.svg"
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angle=180
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xcc0=48
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xc0=22
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xcc1=22
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xl0=48
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xl1=48
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xa0=22
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if [ "$dir" = "right" ]
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then
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xcc0=$((64-$xcc0))
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xc0=$((64-$xc0))
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xcc1=$((64-$xcc1))
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xl0=$((64-$xl0))
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xl1=$((64-$xl1))
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xa0=$((64-$xa0))
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fi
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yl1=20
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yc0=20
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ycc1=0
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ycc0=0
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ya0=35
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extra=" L $xc0 $ya0"
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makearrow >$filename
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xl0=32
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xl1=32
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yl1=44
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r=12
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letter=l
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angle=180
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step=45
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longa=1
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longb=0
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sweep=1
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xa=26
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xb=38
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if [ "$dir" = "right" ]
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then
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letter=r
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step=-45
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longa=0
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longb=1
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sweep=0
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xa=$((64-xa))
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xb=$((64-xb))
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fi
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for st in 1 2 3 4 5 6 7 8
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do
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angle=$((angle+step))
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if [ $angle -ge 360 ]
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then
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angle=$((angle-360))
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fi
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if [ $angle -lt 0 ]
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then
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angle=$((angle+360))
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fi
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xa0=40.46
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ya0=40.46
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long1=$longb
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case $angle in
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0)
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xa0=32
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ya0=20
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xl2=32
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yl2=14
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;;
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45)
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xa0=40.46
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ya0=23.54
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xl2=44.7
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yl2=19.3
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;;
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90)
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xa0=44
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ya0=32
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xl2=50
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yl2=32
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;;
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135)
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xa0=40.46
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ya0=40.46
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xl2=44.7
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yl2=44.7
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;;
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180)
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xa0=$xb
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ya0=44
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xl0=$xa
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xl1=$xa
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xl2=$xb
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yl2=50
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long1=0
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;;
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225)
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xa0=23.54
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ya0=40.46
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xl2=19.3
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yl2=44.7
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long1=$longa
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;;
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270)
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xa0=20
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ya0=32
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xl2=14
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yl2=32
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long1=$longa
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;;
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315)
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xa0=23.54
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ya0=23.54
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xl2=19.3
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yl2=19.3
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long1=$longa
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;;
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esac
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long2=$((1-long1))
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filename="nav_roundabout_${letter}${st}_$col.svg"
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makeroundabout >$filename
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done
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done
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filename="nav_straight_$col.svg"
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xl0=32
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xl1=32
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yl1=32
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xcc0=32
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ycc0=10
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xcc1=32
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ycc1=16
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xc0=32
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yc0=26
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xa0=32
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ya0=26
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angle=0
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extra=""
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makearrow >$filename
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done
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