Yoma 58: Go Straight for a While, Turn Left, and Then Ask

Pouring the blood of the bull into the blood of the goat.... Into the smaller bowl. And then the smaller bowl or its contents are put into the empty one. To mix well. Rami bar Chama asks some questions that seem to be exploring, rather than trying to recall. Also: Blood on the altar, in very specific ordered directions. Where does he start, though? Even the path of the kohen gadol is subject to a tannaitic machloket. More, how does the Yom Kippur service line up with the daily, in terms of how familiar the kohen gadol was with all of these directions?