-(defun cadar (x) (car (cdr (car x))))
-(defun caddr (x) (car (cdr (cdr x))))
-(defun cdddr (x) (cdr (cdr (cdr x))))
-(defun cadddr (x) (car (cdr (cdr (cdr x)))))
-
-(defun cadar (x) (car (cdar x)))
-(defun caaar (x) (car (caar x)))
-(defun caadr (x) (car (cadr x)))
-(defun cdaar (x) (cdr (caar x)))
-(defun cdadr (x) (cdr (cadr x)))
-(defun cddar (x) (cdr (cdar x)))
+
+(defun caaar (x) (car (caar x)))
+(defun caadr (x) (car (cadr x)))
+(defun cadar (x) (car (cdar x)))
+(defun caddr (x) (car (cddr x)))
+(defun cdaar (x) (cdr (caar x)))
+(defun cdadr (x) (cdr (cadr x)))
+(defun cddar (x) (cdr (cdar x)))
+(defun cdddr (x) (cdr (cddr x)))
+