public int canWalk(String side, Hexpos pos){
		// 0 someone there's 1 empty but cant 2 empty and can
		State state = this;
		if(side != "red" && side != "blue")
			return -1;
		if(state.owner(pos) != null)
			return 0;
		MyList walkArea = pos.neighbours();
		for(Object tmp : walkArea){
			if(state.owner((Hexpos)tmp) == side)
				return  2;
		}
		return 1;
	}