21 lines
269 B
Plaintext
21 lines
269 B
Plaintext
digraph G {
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splines = false;
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node [ shape = "circle" ];
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{
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rank = same;
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b1 [ label = "a" ];
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b2 [ label = "b" ];
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}
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{
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rank = same;
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b3 [ label = "c" ];
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b4 [ label = "d" ];
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}
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b1 -> b2;
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b2 -> b4;
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b1 -> b3;
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b3 -> b4;
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b4 -> b1;
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}
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