Input (grade 5): As of 1999, the dates of 31 samples from the cave had been reported. The earliest, sample Gifa 99776 from "zone 10", dates to 32,900 Â 490 BP.
Output (grade 8): As of 1999, the dates of 31 samples from the cave had been reported, with the earliest being 32,900 Â 490 BP.