Steps	                length  Width  Height
White two steps	49	    42	63
White three steps	65	    42	85
White four steps	81	    42	107
Gray two steps	49	    42	63
Gray three steps	65	    42	85
Gray four steps	81	    42	107
Black two steps	49	    42	63
Black three steps	65	    42	85
Black four steps	81	    42	107
Red two steps	        49	    42	63
Red three steps	65	    42	85
Red four steps	        81	    42	107