straight common crossing

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• Crossing number (graph theory) — A drawing of the Heawood graph with three crossings. This is the minimum number of crossings among all drawings of this graph, so the graph has crossing number cr(G) = 3. In graph theory, the crossing number cr(G) of a graph G is the… …   Wikipedia

• Oldland Common railway station — Oldland Common Location Place Oldland Common Area S …   Wikipedia

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