[General]
FileFormatVersion=1.0.209
PointCount=22
FigureCount=41
LabelCount=3
WatchExpressionCount=0
StaticGraphicCount=0
ButtonCount=3
LocusCount=0
PaperColor1=13089396
PaperColor2=16760253
AxesColor=13369344
GridColor=6316128
GradientPaper=True
ShowAxes=False
ShowGrid=False
Description=
Window=766x472
WorkArea=(-8.905883296217,-4.94771106554357,8.90588382630085,6.01874947655565)

[Point1]
FillColor=12632256
FillStyle=0
ForeColor=4210688
LabelOffsetX=-18
LabelOffsetY=9
Name=A
NameColor=64
PhysicalWidth=4
Shape=3
ShowName=True
Type=0
X=-.256117
Y=-4.842938
ZOrder=1

[Point2]
FillColor=12632256
FillStyle=0
ForeColor=4210688
LabelOffsetX=-11
Name=B
NameColor=64
PhysicalWidth=4
Shape=3
ShowName=True
Type=0
X=-4.02802
Y=-.186266
ZOrder=2

[Point3]
FillColor=12632256
FillStyle=0
ForeColor=4210688
LabelOffsetX=9
LabelOffsetY=5
Name=C
NameColor=64
PhysicalWidth=4
Shape=3
ShowName=True
Type=0
X=3.038478
Y=4.78473
ZOrder=3

[Point4]
FillColor=12632256
FillStyle=0
ForeColor=4210688
LabelOffsetX=11
LabelOffsetY=3
Name=D
NameColor=64
PhysicalWidth=4
Shape=3
ShowName=True
Type=0
X=3.45017
Y=-.804334
ZOrder=4

[Point5]
FillColor=12632256
FillStyle=0
ForeColor=32896
LabelOffsetX=-11
LabelOffsetY=-6
Name=X
NameColor=64
ParentFigure=6
PhysicalWidth=4
Shape=3
ShowName=True
Type=13
X=1.189825
Y=-.617518
ZOrder=5

[Point6]
FillColor=12632256
FillStyle=0
ForeColor=32896
Name=_F
NameColor=64
ParentFigure=6
PhysicalWidth=4
Shape=3
ShowName=False
Type=13
Visible=False
X=0
Y=0
ZOrder=6

[Point7]
FillColor=12632256
FillStyle=0
ForeColor=32896
Hide=True
Name=E
NameColor=64
ParentFigure=7
PhysicalWidth=4
Shape=3
ShowName=False
Type=9
X=.466854
Y=-2.730228
ZOrder=7

[Point8]
FillColor=12632256
FillStyle=0
ForeColor=32896
Hide=True
Name=F
NameColor=64
ParentFigure=8
PhysicalWidth=4
Shape=3
ShowName=False
Type=9
X=2.319998
Y=-.710926
ZOrder=8

[Point9]
FillColor=255
FillStyle=0
ForeColor=255
LabelOffsetX=12
LabelOffsetY=13
Name=S
NameColor=255
ParentFigure=11
PhysicalWidth=6
Shape=3
ShowName=True
Type=13
X=2.106724
Y=-3.291393
ZOrder=9

[Point10]
FillColor=12632256
FillStyle=0
ForeColor=32896
LabelOffsetY=-2
Name=_H
NameColor=64
ParentFigure=11
PhysicalWidth=4
Shape=3
ShowName=False
Type=13
Visible=False
X=0
Y=0
ZOrder=10

[Point11]
FillColor=12632256
FillStyle=1
ForeColor=32896
Hide=True
Name=H
NameColor=64
ParentFigure=13
PhysicalWidth=4
Shape=3
ShowName=False
Type=9
X=-1.419098
Y=-.401892
ZOrder=11

[Point12]
FillColor=12632256
FillStyle=1
ForeColor=32896
Hide=True
Name=I
NameColor=64
ParentFigure=16
PhysicalWidth=4
Shape=3
ShowName=False
Type=9
X=.466854
Y=-2.730228
ZOrder=12

[Point13]
FillColor=255
FillStyle=0
ForeColor=255
LabelOffsetX=-8
LabelOffsetY=9
Name=P
NameColor=255
ParentFigure=19
PhysicalWidth=6
Shape=3
ShowName=True
Type=13
X=-1.554368
Y=-2.038564
ZOrder=13

[Point14]
FillColor=12632256
FillStyle=1
ForeColor=32896
Name=K
NameColor=64
ParentFigure=19
PhysicalWidth=4
Shape=3
ShowName=False
Type=13
Visible=False
X=0
Y=0
ZOrder=14

[Point15]
FillColor=12632256
FillStyle=1
ForeColor=32896
Hide=True
Name=L
NameColor=64
ParentFigure=21
PhysicalWidth=4
Shape=3
ShowName=False
Type=9
X=-1.419098
Y=-.401892
ZOrder=15

[Point16]
FillColor=12632256
FillStyle=1
ForeColor=32896
Hide=True
Name=M
NameColor=64
ParentFigure=24
PhysicalWidth=4
Shape=3
ShowName=False
Type=9
X=2.114152
Y=2.083606
ZOrder=16

[Point17]
FillColor=255
FillStyle=0
ForeColor=255
Name=Q
NameColor=255
ParentFigure=27
PhysicalWidth=6
Shape=3
ShowName=True
Type=13
X=-1.122142
Y=3.191068
ZOrder=17

[Point18]
FillColor=12632256
FillStyle=1
ForeColor=32896
Name=O
NameColor=64
ParentFigure=27
PhysicalWidth=4
Shape=3
ShowName=False
Type=13
Visible=False
X=0
Y=0
ZOrder=18

[Point19]
FillColor=12632256
FillStyle=1
ForeColor=32896
Hide=True
Name=T
NameColor=64
ParentFigure=29
PhysicalWidth=4
Shape=3
ShowName=False
Type=9
X=2.114152
Y=2.083606
ZOrder=19

[Point20]
FillColor=12632256
FillStyle=1
ForeColor=32896
Hide=True
Name=Q1
NameColor=64
ParentFigure=32
PhysicalWidth=4
Shape=3
ShowName=False
Type=9
X=2.319998
Y=-.710926
ZOrder=20

[Point21]
FillColor=255
FillStyle=0
ForeColor=255
Name=R
NameColor=255
ParentFigure=35
PhysicalWidth=6
Shape=3
ShowName=True
Type=13
X=2.53895
Y=1.93824
ZOrder=21

[Point22]
FillColor=12632256
FillStyle=1
ForeColor=32896
LabelOffsetY=-2
Name=S1
NameColor=64
ParentFigure=35
PhysicalWidth=4
Shape=3
ShowName=False
Type=13
Visible=False
X=0
Y=0
ZOrder=22

[Figure0]
DrawWidth=2
FigureName=Відрізок1
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=0
NumberOfPoints=2
ZOrder=0
Points0=1
Points1=2
AuxPoints(1).X=371.499984874641
AuxPoints(1).Y=466.500087409098
AuxPoints(2).X=209.500011758435
AuxPoints(2).Y=266.500050607784

[Figure1]
DrawWidth=2
FigureName=Відрізок2
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=0
NumberOfPoints=2
ZOrder=1
Points0=2
Points1=3
AuxPoints(1).X=209.500011758435
AuxPoints(1).Y=266.500050607784
AuxPoints(2).X=512.999992013951
AuxPoints(2).Y=53.0000697332061

[Figure2]
DrawWidth=2
FigureName=Відрізок3
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=0
NumberOfPoints=2
ZOrder=2
Points0=3
Points1=4
AuxPoints(1).X=512.999992013951
AuxPoints(1).Y=53.0000697332061
AuxPoints(2).X=530.68180751455
AuxPoints(2).Y=293.045536900509

[Figure3]
DrawWidth=2
FigureName=Відрізок4
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=0
NumberOfPoints=2
ZOrder=3
Points0=4
Points1=1
AuxPoints(1).X=530.68180751455
AuxPoints(1).Y=293.045536900509
AuxPoints(2).X=371.499984874641
AuxPoints(2).Y=466.500087409098

[Figure4]
DrawWidth=2
FigureName=Відрізок5
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=2
NumberOfPoints=2
ZOrder=4
Children0=6
Children1=9
Points0=1
Points1=3
AuxPoints(1).X=371.499984874641
AuxPoints(1).Y=466.500087409098
AuxPoints(2).X=512.999992013951
AuxPoints(2).Y=53.0000697332061

[Figure5]
DrawWidth=2
FigureName=Відрізок6
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=2
NumberOfPoints=2
ZOrder=5
Children0=6
Children1=10
Points0=2
Points1=4
AuxPoints(1).X=209.500011758435
AuxPoints(1).Y=266.500050607784
AuxPoints(2).X=530.68180751455
AuxPoints(2).Y=293.045536900509

[Figure6]
FigureName=Точка перетину1
FigureType=13
FigureTypeString=Intersection point
NumberOfChildren=0
NumberOfPoints=2
Parents0=5
Parents1=4
Points0=5
Points1=6
AuxPoints(1).X=433.601938083891
AuxPoints(1).Y=285.021942857128

[Figure7]
FigureName=Середина відрізка1
FigureType=9
FigureTypeString=Middle point
NumberOfChildren=0
NumberOfPoints=3
Points0=7
Points1=1
Points2=5
AuxPoints(1).X=.466854
AuxPoints(1).Y=-2.730228

[Figure8]
FigureName=Середина відрізка2
FigureType=9
FigureTypeString=Middle point
NumberOfChildren=0
NumberOfPoints=3
Points0=8
Points1=5
Points2=4
AuxPoints(1).X=2.3199975
AuxPoints(1).Y=-.710926

[Figure9]
DrawStyle=2
DrawWidth=1
FigureName=Перпендикулярна пряма1
FigureType=5
FigureTypeString=Perpendicular line
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=1
Hide=True
ZOrder=9
Children0=11
Parents0=4
Points0=7
AuxPoints(1).X=680.864167258142
AuxPoints(1).Y=471
AuxPoints(2).X=-3.54161144855425E-14
AuxPoints(2).Y=238.007786192062

[Figure10]
DrawStyle=2
DrawWidth=1
FigureName=Перпендикулярна пряма2
FigureType=5
FigureTypeString=Perpendicular line
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=1
Hide=True
ZOrder=10
Children0=11
Parents0=5
Points0=8
AuxPoints(1).X=467.102493221133
AuxPoints(1).Y=471
AuxPoints(2).X=506.03036587481
AuxPoints(2).Y=2.91433543964104E-14

[Figure11]
FigureName=Точка перетину2
FigureType=13
FigureTypeString=Intersection point
NumberOfChildren=0
NumberOfPoints=2
Parents0=9
Parents1=10
Points0=9
Points1=10
AuxPoints(1).X=472.98196094407
AuxPoints(1).Y=399.862557629603

[Figure12]
DrawStyle=1
DrawWidth=1
FigureName=Коло за радіусом1
FigureType=7
FigureTypeString=Circle by radius
ForeColor=16711680
NumberOfChildren=0
NumberOfPoints=3
Hide=True
ZOrder=12
Points0=9
Points1=5
Points2=9
AuxInfo(1)=121.404916995824
AuxPoints(1).X=472.981963196424
AuxPoints(1).Y=399.862570938345

[Figure13]
FigureName=Середина відрізка3
FigureType=9
FigureTypeString=Middle point
NumberOfChildren=0
NumberOfPoints=3
Points0=11
Points1=2
Points2=5
AuxPoints(1).X=-1.4190975
AuxPoints(1).Y=-.401892

[Figure14]
DrawWidth=2
FigureName=Відрізок7
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=2
ZOrder=14
Children0=5
Points0=2
Points1=5
AuxPoints(1).X=209.500011758435
AuxPoints(1).Y=266.500050607784
AuxPoints(2).X=433.60194378705
AuxPoints(2).Y=285.021951199159

[Figure15]
DrawStyle=2
DrawWidth=1
FigureName=Перпендикулярна пряма3
FigureType=5
FigureTypeString=Perpendicular line
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=1
Hide=True
ZOrder=15
Children0=7
Parents0=14
Points0=11
AuxPoints(1).X=305.414561131516
AuxPoints(1).Y=471
AuxPoints(2).X=344.342450327151
AuxPoints(2).Y=2.91433543964104E-14

[Figure16]
FigureName=Середина відрізка4
FigureType=9
FigureTypeString=Middle point
NumberOfChildren=0
NumberOfPoints=3
Points0=12
Points1=5
Points2=1
AuxPoints(1).X=.466854
AuxPoints(1).Y=-2.730228

[Figure17]
DrawWidth=2
FigureName=Відрізок8
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=2
ZOrder=17
Children0=6
Points0=1
Points1=5
AuxPoints(1).X=371.499984874641
AuxPoints(1).Y=466.500087409098
AuxPoints(2).X=433.60194378705
AuxPoints(2).Y=285.021951199159

[Figure18]
DrawStyle=2
DrawWidth=1
FigureName=Перпендикулярна пряма4
FigureType=5
FigureTypeString=Perpendicular line
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=1
Hide=True
ZOrder=18
Children0=7
Parents0=17
Points0=12
AuxPoints(1).X=680.864128905875
AuxPoints(1).Y=471
AuxPoints(2).X=-3.54161144855425E-14
AuxPoints(2).Y=238.007767209314

[Figure19]
FigureName=Точка перетину3
FigureType=13
FigureTypeString=Intersection point
NumberOfChildren=0
NumberOfPoints=2
Parents0=15
Parents1=18
Points0=13
Points1=14
AuxPoints(1).X=315.741224380749
AuxPoints(1).Y=346.054658988959

[Figure20]
DrawStyle=2
DrawWidth=1
FigureName=Коло за радіусом2
FigureType=7
FigureTypeString=Circle by radius
ForeColor=255
NumberOfChildren=0
NumberOfPoints=3
Hide=True
ZOrder=20
Points0=5
Points1=13
Points2=13
AuxInfo(1)=132.725802899898
AuxPoints(1).X=315.741226736352
AuxPoints(1).Y=346.054648433656

[Figure21]
FigureName=Середина відрізка5
FigureType=9
FigureTypeString=Middle point
NumberOfChildren=0
NumberOfPoints=3
Points0=15
Points1=2
Points2=5
AuxPoints(1).X=-1.4190975
AuxPoints(1).Y=-.401892

[Figure22]
DrawWidth=2
FigureName=Відрізок9
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=2
ZOrder=22
Children0=5
Points0=2
Points1=5
AuxPoints(1).X=209.500011758435
AuxPoints(1).Y=266.500050607784
AuxPoints(2).X=433.60194378705
AuxPoints(2).Y=285.021951199159

[Figure23]
DrawStyle=2
DrawWidth=1
FigureName=Перпендикулярна пряма5
FigureType=5
FigureTypeString=Perpendicular line
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=1
Hide=True
ZOrder=23
Children0=7
Parents0=22
Points0=15
AuxPoints(1).X=305.414561131516
AuxPoints(1).Y=471
AuxPoints(2).X=344.342450327151
AuxPoints(2).Y=2.91433543964104E-14

[Figure24]
FigureName=Середина відрізка6
FigureType=9
FigureTypeString=Middle point
NumberOfChildren=0
NumberOfPoints=3
Points0=16
Points1=5
Points2=3
AuxPoints(1).X=2.1141515
AuxPoints(1).Y=2.083606

[Figure25]
DrawWidth=2
FigureName=Відрізок10
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=2
ZOrder=25
Children0=6
Points0=3
Points1=5
AuxPoints(1).X=512.999992013951
AuxPoints(1).Y=53.0000697332061
AuxPoints(2).X=433.60194378705
AuxPoints(2).Y=285.021951199159

[Figure26]
DrawStyle=2
DrawWidth=1
FigureName=Перпендикулярна пряма6
FigureType=5
FigureTypeString=Perpendicular line
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=1
Hide=True
ZOrder=26
Children0=7
Parents0=25
Points0=16
AuxPoints(1).X=-3.54161144855425E-14
AuxPoints(1).Y=7.04708472430868
AuxPoints(2).X=765
AuxPoints(2).Y=268.830613544163

[Figure27]
FigureName=Точка перетину4
FigureType=13
FigureTypeString=Intersection point
NumberOfChildren=0
NumberOfPoints=2
Parents0=23
Parents1=26
Points0=17
Points1=18
AuxPoints(1).X=334.304966390101
AuxPoints(1).Y=121.446475317254

[Figure28]
DrawStyle=2
DrawWidth=1
FigureName=Коло за радіусом3
FigureType=7
FigureTypeString=Circle by radius
ForeColor=255
NumberOfChildren=0
NumberOfPoints=3
Hide=True
ZOrder=28
Points0=5
Points1=17
Points2=17
AuxInfo(1)=191.355238923956
AuxPoints(1).X=334.304959785724
AuxPoints(1).Y=121.446474944665

[Figure29]
FigureName=Середина відрізка7
FigureType=9
FigureTypeString=Middle point
NumberOfChildren=0
NumberOfPoints=3
Points0=19
Points1=3
Points2=5
AuxPoints(1).X=2.1141515
AuxPoints(1).Y=2.083606

[Figure30]
DrawWidth=2
FigureName=Відрізок11
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=2
ZOrder=30
Children0=5
Points0=3
Points1=5
AuxPoints(1).X=512.999992013951
AuxPoints(1).Y=53.0000697332061
AuxPoints(2).X=433.60194378705
AuxPoints(2).Y=285.021951199159

[Figure31]
DrawStyle=2
DrawWidth=1
FigureName=Перпендикулярна пряма7
FigureType=5
FigureTypeString=Perpendicular line
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=1
Hide=True
ZOrder=31
Children0=7
Parents0=30
Points0=19
AuxPoints(1).X=-3.54161144855425E-14
AuxPoints(1).Y=7.04708472430868
AuxPoints(2).X=765
AuxPoints(2).Y=268.830613544163

[Figure32]
FigureName=Середина відрізка8
FigureType=9
FigureTypeString=Middle point
NumberOfChildren=0
NumberOfPoints=3
Points0=20
Points1=5
Points2=4
AuxPoints(1).X=2.3199975
AuxPoints(1).Y=-.710926

[Figure33]
DrawWidth=2
FigureName=Відрізок12
FigureType=1
FigureTypeString=Segment
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=2
ZOrder=33
Children0=6
Points0=4
Points1=5
AuxPoints(1).X=530.68180751455
AuxPoints(1).Y=293.045536900509
AuxPoints(2).X=433.60194378705
AuxPoints(2).Y=285.021951199159

[Figure34]
DrawStyle=2
DrawWidth=1
FigureName=Перпендикулярна пряма8
FigureType=5
FigureTypeString=Perpendicular line
ForeColor=8388672
NumberOfChildren=1
NumberOfPoints=1
Hide=True
ZOrder=34
Children0=7
Parents0=33
Points0=20
AuxPoints(1).X=506.030342441642
AuxPoints(1).Y=2.91433543964104E-14
AuxPoints(2).X=467.102507973895
AuxPoints(2).Y=471

[Figure35]
FigureName=Точка перетину5
FigureType=13
FigureTypeString=Intersection point
NumberOfChildren=0
NumberOfPoints=2
Parents0=31
Parents1=34
Points0=21
Points1=22
AuxPoints(1).X=491.545687106274
AuxPoints(1).Y=175.254358641773

[Figure36]
DrawStyle=2
DrawWidth=1
FigureName=Коло за радіусом4
FigureType=7
FigureTypeString=Circle by radius
ForeColor=255
NumberOfChildren=0
NumberOfPoints=3
Hide=True
ZOrder=36
Points0=5
Points1=21
Points2=21
AuxInfo(1)=124.122535158052
AuxPoints(1).X=491.545696245795
AuxPoints(1).Y=175.254354500218

[Figure37]
DrawWidth=2
FigureName=Відрізок13
FigureType=1
FigureTypeString=Segment
ForeColor=255
NumberOfChildren=0
NumberOfPoints=2
ZOrder=37
Points0=13
Points1=17
AuxPoints(1).X=315.741226736352
AuxPoints(1).Y=346.054648433656
AuxPoints(2).X=334.304959785724
AuxPoints(2).Y=121.446474944665

[Figure38]
DrawWidth=2
FigureName=Відрізок14
FigureType=1
FigureTypeString=Segment
ForeColor=255
NumberOfChildren=0
NumberOfPoints=2
ZOrder=38
Points0=21
Points1=17
AuxPoints(1).X=491.545696245795
AuxPoints(1).Y=175.254354500218
AuxPoints(2).X=334.304959785724
AuxPoints(2).Y=121.446474944665

[Figure39]
DrawWidth=2
FigureName=Відрізок15
FigureType=1
FigureTypeString=Segment
ForeColor=255
NumberOfChildren=0
NumberOfPoints=2
ZOrder=39
Points0=13
Points1=9
AuxPoints(1).X=315.741226736352
AuxPoints(1).Y=346.054648433656
AuxPoints(2).X=472.981963196424
AuxPoints(2).Y=399.862570938345

[Figure40]
DrawWidth=2
FigureName=Відрізок16
FigureType=1
FigureTypeString=Segment
ForeColor=255
NumberOfChildren=0
NumberOfPoints=2
ZOrder=40
Points0=9
Points1=21
AuxPoints(1).X=472.981963196424
AuxPoints(1).Y=399.862570938345
AuxPoints(2).X=491.545696245795
AuxPoints(2).Y=175.254354500218

[Label1]
Caption=ABCD is a convex quadrilateral ~~with diagonals AC and BD intersecting ~~at X. The circumcircles of the triangles ~~AXB, BXC, CXD and DXA have centres ~~P, Q, R and S respectively. Move one of ~~the vertices of the quadrilateral ABCD. ~~What do you notice about the ~~quadrilateral PQRS? ~~Make a conjecture about PQRS ~~and prove your conjecture. ~~
Charset=204
FontName=Arial
FontSize=9
FontBold=True
ForeColor=8404992
BackColor=2631680
Transparent=False
X=-8.63812497052826
Y=5.3551718146132

[Label2]
Caption=PQ = [Dist(P,Q)]~~QR = [Dist(Q,R)]~~RS = [Dist(R,S)]~~PS = [Dist(S,P)]
Charset=204
FontName=Arial
FontSize=11
FontBold=True
ForeColor=255
BackColor=2631680
Transparent=False
Hide=True
X=5.65785543891743
Y=-1.25730120864832

[Label3]
Caption=Problem 5
Charset=204
FontName=Arial
FontSize=12
FontBold=True
ForeColor=11862016
BackColor=2631680
Transparent=False
X=-8.66140832624397
Y=5.93725570750594

[Button1]
Type=0
Caption=Hide
Charset=204
FontName=Arial
FontSize=9
FontBold=True
Forecolor=16711680
X=6.81480538443105
Y=2.22030080105007
Figure#1=12
Figure#2=9
Figure#3=10
Point#1=7
Point#2=8

[Button2]
Type=3
Caption=To build macros Center of Circumcircle
Charset=204
FontName=Arial
FontSize=9
FontBold=True
Forecolor=10485760
X=-8.19574121192978
Y=-4.26085409597485
Path=D:\DG\library\prob5\prob51.DGF
Remind=True

[Button3]
Type=0
Caption=Calculation
Charset=204
FontName=Arial
FontSize=9
FontBold=True
Forecolor=255
X=6.23993933181017
Y=4.65667114314192E-02
Label#1=2

