BT Ket 54a(42) :לכאורא כשמואל רהטא‏ : at first glance it accords with PN
See the entire entry for lkˀwrh adv. at first glance

BT Ket 54a(42) :לכאורא כשמואל רהטא וכי מעיינת בה הילכ׳ כוות׳ דרב‏ : at first glance it follows Shmuel, but, if you look closely at it, the law follows Rav
See the entire entry for rhṭ vb. to run