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153
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142
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149
150
151
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+
+
-
+
+
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Filled circle (I)
Click the left button at the centre of the circle and the right button
at the radius, or you can click the left button at the radius and the
middle button at the centre.
Hollow ellipse (E)
Click the left button on one corner of the bounding rectangle of the
ellipse, and then click the middle or right button on the other side.
Filled ellipse (S)
Click the left button on one corner of the bounding rectangle of the
ellipse, and then click the middle or right button on the other side.
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