Butt and Pass
Butt-and-pass involves having the logs around the structure all at the same level, i.e., the seam
in a north wall will match up to a seam in a west wall. Where two logs come
together at a corner, one butts up against the side of the other one which
"passes" and sticks out in the familiar log house style.
There are advantages to using this technique including ease of building as well as you don't cut deep notches in the logs which would reduce their strength as well as open up the grain which would make it easier for water and insects to enter the logs.
While it would seem that this technique would produce walls that are less strong at the corners, by tying it all together with rebar every 24 inches or so, the structure is quite strong!