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Kouta should be 0:00 to 0:06
Ogawa might be the rest
last two cuts are Sekizaki most likely
Omar said:

0:03.3 - 0:06.3: Fumiaki Kouta

Confirmed in Kouta's gengashuu "ハイライト6". Worth noting that Kouta's genga includes a Kanada light flare at the end of his cut but it's not shown in the final product.