Drawing Letter little

How to draw little "a" hole with graphite pencil. Drawing letter "a" hole in line paper. Optical illusion for kids & adults. Awesome "a" hole illusion. Letter a illusion.
• Material used: Mixed technique.
Paper: 250x175 mm, white coloured cardboard.
Graphite pencils STABILO H, DERWENT 8B.
STABILO Pen marker.
White pastel pencil.
Kneaded eraser, ruler.
Cotton material.
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