arallel with 5' Avenue 102 feet 2 inches to the center line of the block between 71" and 72" Streets; thence Westerly along the said center hoe and psmlli1 with 7? Street 50 feet; thence Southerly and parallel with 5`b Awn.= IO2 feet 2 inches to the northetly side of 7V Street at the paint or place of