x = 6, y = 6, rule = B3/S23 2b2o$2bo$3bo$3obo$o3bo$4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]]
The hook with two tails is a still life with 12 cells, and the 109th most common such still life according to Catagolue.