list(alpha = c(NA, 0, 0, 0, 0),
	    beta = structure(.Data = c(NA, NA, NA, NA, NA,
								           NA, 0, 0, 0, 0,
								           NA, 0, 0, 0, 0,
								           NA, 0, 0, 0, 0), .Dim = c(4, 5)),
		gamma = structure(.Data = c(NA, NA, NA, NA, NA,
     										       NA, 0, 0, 0, 0), .Dim = c(2, 5)),
		lambda = structure(.Data = c(0, 0, 0, 0,
									            0, 0, 0, 0), .Dim = c(4, 2))
    	   )