Labels on this plan, as written: H7; B Bathrooms; H6 E H16; S Stairwell; E Elevator H5 H8; H15; H9 H17; H4 H14; H10 H18; H3 H13; H2 H19; H11; H12; H1 S E B H20; E H29; H30; H28; H40 H31 H21; H39 H27; H32 H22; H38 H26; H33 H23; H25; H37 H34; S H24; Housekeeping Level H36 E.