Anonymous

		field = new Field[length][length];		for(Field[] fRow : field)			for(Field f : fRow)				f = new Field(4);vs		field = new Field[length][length];		for(int y = 0; y < length; y++)			for(int x = 0; x < length; x++)				field[y][x] = new Field((y*boxWidth+x%boxWidth)%length);