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...From solution synthesis to student attempt for block based visual programming tasks adish singla nikitas theodoropoulos mpi sws adishs org ntheodor abstract education considering the hour of code initiative alone environments are increas over one billion hours activity has been ingly used introduce computing concepts beginners spent in learning solve such given that open ended and concep tual novice students often struggle when these on platforms conceptual ai driven tutors hold great require multi step deductive reasoning promise automatically assisting struggling aspects novices need several components realize this potential we inves diculties faced by tigate crucial component modeling par become evident looking at trajectory stu ticular ability infer miscon dents attempts who a task ceptions predicting synthesizing their behavior instance dataset released even troduce novel benchmark studentsyn centered around simple where solutions only blocks following challenge synthesize see fig...