(a) office7a6rmea with a closed loop (a) office area with a closed loop 68m 68m 102m (b)1a02nmarrow and long corridor (b) a narrow and long corridor 107m 107m (c) m(ca)pmpainpgpitnrgajteracjteocrtyoriynina apaprakrkiningglloott 2202m20m (d()da) wa iwdeidreanrgaenogfepo...