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4 0.685546875 0.1484375 0.4482421875 0.2958984375
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4 0.5361328125 0.7451171875 0.4423828125 0.41015625
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4 0.67578125 0.927734375 0.322265625 0.1396484375
4 0.908203125 0.900390625 0.1787109375 0.1962890625
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