Found the following hamletworks.org entries referring to line 3745

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3743 Ham. One.5.2.280
3744 Laer . No.  
3745 Ham. Iudgement. 3745 

View Material Textual Note for 3743, etc.
3743 Ham. One.5.2.280
3744 Laer . No.  
3745 Ham. Iudgement. 3745