Charities say the figures are likely to underestimate the true scale of the issue, as only those sleeping rough on one single night in the autumn are counted.
Step through the construction below. Each time a new point is inserted, watch the tree decide whether it needs to split a region:
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The result from Step 2 is a high-level route – a sequence of shortcuts connecting border points.
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54