equal0Nilnumber42Nilequal0Consxxsequal0Consxxsnumber42xConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilConsNilNilgoalxequal0xequal01Nil0number421Cons2goal1INNERMOST