Waitrose said it was the first UK supermarket to suspend mackerel sales, adding it would only start selling the fish again once it met their "high sourcing standards".
Randomly selecting border points or using simple geometric divisions (squares/hexagons) results in too many border points per cluster (50-80). This leads to a shortcut explosion (N*(N-1)/2 shortcuts), making the files large and and calculations slow.
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for (int i = n - 1; i = 0; i--) {