I'll start by noting that Blocked p4-3 and Blocked p4 t-nose have smaller forms than those presented:

Code: Select all

`x = 53, y = 11, rule = B3/S23`

39b3o2$38bo3bo$4bo3bobobo3bo15bo3bo7bo3bo$3bobo9bobo13bobo13bobo$3bobo

9bobo13bobo13bobo$2obobob7obobob2o7b2obobob11obobob2o$2obo13bob2o7b2ob

o17bob2o$3bo13bo13bo17bo$3bobo9bobo13bobo4b2ob2o4bobo$4b2o3b3o3b2o15b

2o4b2ob2o4b2o!

Blocked p4-3 sees a 1-cell reduction, Blocked p4 t-nose sees a 3-cell reduction and a bounding box reduced to 25x12.