Found the following hamletworks.org entries referring to line 2456+4

View Commentary Note for 2456+4-2457
2456+4-2457 {Could not so mope:} | ô shame where is thy blush? 
2457 Rebellious hell,3.4.82

View Immaterial Textual Note for 2456+4-2457
2456+4-2457 {Could not so mope:} | ô shame where is thy blush? 
2457 Rebellious hell,3.4.82

View Material Textual Note for 2456+4-2457
2456+4-2457 {Could not so mope:} | ô shame where is thy blush? 
2457 Rebellious hell,3.4.82