I've been preparing for the past 3 months and am planning to take up my exam on jan 31st. I've been working out Uworld for the past 10 days. My scores so far have been in 60-70% range with an overall 64%. I've been doing subject wise questions and I find anat and biochem to be the toughest among them (54% and 50%) are my overall scores sufficient. How should I focus my preparation from now on?