Found the following hamletworks.org entries referring to line 2456+1

View Commentary Note for 2456+1
2456+1 {Eyes without feeling, feeling without sight,}3.4.78

View Immaterial Textual Note for 2456+1
2456+1 {Eyes without feeling, feeling without sight,}3.4.78

View Material Textual Note for 2456+1
2456+1 {Eyes without feeling, feeling without sight,}3.4.78