plan(1,5,4,[go(loc3),push(loc1),climb_on,grab]).
plan(1,5,5,[go(loc1),go(loc3),push(loc1),climb_on,grab]).
plan(1,5,5,[go(loc3),push(loc1),climb_on,grab,climb_off]).
plan(1,5,5,[go(loc3),push(loc2),push(loc1),climb_on,grab]).
