The following is a minimum weight spanning tree with weight 0: The graph contains vertices 0,...,499 and the following edges: {0,2} with weight 0 {0,132} with weight 0 {0,285} with weight 0 {0,290} with weight 0 {0,315} with weight 0 {132,262} with weight 0 {132,286} with weight 0 {248,285} with weight 0 {136,290} with weight 0 {266,315} with weight 0 {262,494} with weight 0 {42,286} with weight 0 {284,315} with weight 0 {137,262} with weight 0 {265,266} with weight 0 {493,494} with weight 0 {69,286} with weight 0 {266,272} with weight 0 {137,258} with weight 0 {137,260} with weight 0 {244,265} with weight 0 {265,267} with weight 0 {68,265} with weight 0 {272,489} with weight 0 {70,260} with weight 0 {19,244} with weight 0 {68,256} with weight 0 {68,277} with weight 0 {32,489} with weight 0 {66,489} with weight 0 {19,67} with weight 0 {19,30} with weight 0 {133,277} with weight 0 {67,118} with weight 0 {76,285} with weight 0 {67,257} with weight 0 {30,71} with weight 0 {30,120} with 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