(RUN-SCHEME (QUOTE ((LAMBDA (X . Y) (CONS Y (BLOCK (ASET (QUOTE Y) (QUOTE E)) (CONS Y X)))) (QUOTE A) (QUOTE B) (QUOTE C)))) (RUN-SCHEME '((LAMBDA (X #74514) (CONS Y (BLOCK (ASET 'Y 'E) (CONS Y X)))) 'A 'B 'C)) sprinter loses on dotted pair!