binette

$$\unitlength{.6} \picture(100){
(50,50){\circle(99)}
(20,55;50,0;2){+1$\hat\bullet}
(50,40){\bullet}
(50,35){\circle(50,25;34)}
(50,35){\circle(50,45;34)}}$$ donne

\unitlength{.6} \picture(100){(50,50){\circle(99)}(20,55;50,0;2){+1$\hat\bullet}(50,40){\bullet}(50,35){\circle(50,25;34)}(50,35){\circle(50,45;34)}}

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