; (56) thence counter-clockwise around the boundary of said property designated as Square 221 Lot 35 to its southeast corner, which is along the boundary of the property designated as Square 221 Lot 37; (57) thence counter-clockwise around the boundary of said property designated as Square 221 Lot 37 to its southwest corner, which it shares with the property designated as Square 221 Lot 818; (58) thence south along the boundary of said property designated as Square 221 Lot 818 to its southwest corner, which it shares with the property designated as Square 221 Lot 809; (59) thence south along the boundary of said property designated as Square 221 Lot 809 to its southwest corner, which it shares with the property designated as Square 221 Lot 800; (60) thence counter-clockwise along the boundary of said property designated as Square 221 Lot 800 to its southwest corner, which it shares with the property designated as Square 221 Lot 810; (61) thence counter-clockwise along the boundary of said property designated as Square 221 Lot 810 to its southwest corner, which is along the northern right-of-way of Pennsylvania Avenue NW; (62) thence east along said northern right-of-way of Pennsylvania Avenue NW to its intersection with the western right-of-way of 15th Street NW; (63) thence south along said western right-of-way of 15th Street NW to its intersection with a line extending northwest from the southern right-of-way of the portion of Pennsylvania Avenue NW north of Pershing Square; (64) thence southeast along said line extending the southern right-of-way of Pennsylvania Avenue NW to the southern right-of-way of Pennsylvania Avenue NW and continuing southeast along said southern right-of-way of Pennsylvania Avenue NW to its intersection with the western right-of-way of 14th Street NW; (65) thence south along said western right-of-way of 14th Street NW to its intersection with a line extending west from the southern right-of-way of D Street NW