blanks for leg
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@ -460,7 +460,9 @@ func (d drawList) Less(i, j int) bool {
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}
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return d.list[i].DrawBefore(d.list[j]) || d.list[j].DrawAfter(d.list[i])
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}
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func (d drawList) Len() int { return len(d.list) }
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func (d drawList) Swap(i, j int) {
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d.rev[d.list[i]], d.rev[d.list[j]] = j, i
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d.list[i], d.list[j] = d.list[j], d.list[i]
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