(scheme cxr)
3 段と 4 段の car/cdr の合成すべてです。2 段のもの（caar、cadr、cdar、cddr）は (scheme base) にあります。
| 名前 | 例 | 結果 |
|---|---|---|
caaar | (caaar '(((1 2) 3) 4)) | 1 |
caadr | (caadr '(1 (2 3) 4)) | 2 |
cadar | (cadar '((1 2) 3)) | 2 |
caddr | (caddr '(1 2 3 4)) | 3 |
cdaar | (cdaar '(((1 2) 3) 4)) | (2) |
cdadr | (cdadr '(1 (2 3) 4)) | (3) |
cddar | (cddar '((1 2 3) 4)) | (3) |
cdddr | (cdddr '(1 2 3 4)) | (4) |
caaaar | (caaaar '((((1 2))) 3)) | 1 |
caaadr | (caaadr '(0 ((1 2)) 3)) | 1 |
caadar | (caadar '((0 (1 2)) 3)) | 1 |
caaddr | (caaddr '(0 1 (2 3))) | 2 |
cadaar | (cadaar '(((0 1 2)) 3)) | 1 |
cadadr | (cadadr '(0 (1 2 3))) | 2 |
caddar | (caddar '((0 1 2 3))) | 2 |
cadddr | (cadddr '(1 2 3 4 5)) | 4 |
cdaaar | (cdaaar '((((1 2 3))))) | (2 3) |
cdaadr | (cdaadr '(0 ((1 2 3)))) | (2 3) |
cdadar | (cdadar '((0 (1 2 3)))) | (2 3) |
cdaddr | (cdaddr '(0 1 (2 3 4))) | (3 4) |
cddaar | (cddaar '(((1 2 3 4)))) | (3 4) |
cddadr | (cddadr '(0 (1 2 3 4))) | (3 4) |
cdddar | (cdddar '((1 2 3 4 5))) | (4 5) |
cddddr | (cddddr '(1 2 3 4 5 6)) | (5 6) |