They may be located even in relatively large distance from the pattern (several hundred meters), on a completely different part of the field, so it may not even be considered as a part of the shape.
Maaari silang kahit na matatagpuan sa may malaking distansya mula sa pattern (ilang daang metro), sa isang ganap na iba't ibang mga bahagi ng patlang, kaya hindi kahit na ito ay maaaring isinasaalang-alang bilang isang bahagi ng hugis.