301.2 Overlap. Unless otherwise specified, clear floor
spaces, clearances at fixtures, maneuvering clearances
at doors, and turning spaces shall be permitted to overlap.
603.2.2 Door Swing. Doors shall not swing into the
clear floor space or clearance for any fixture.
EXCEPTIONS:
1. Doors to a toilet or bathing room for a single
occupant, accessed only through a private
office and not for common use or public use
shall be permitted to swing into the clear floor
space, provided the swing of the door can be
reversed to comply with Section 603.2.2.
2. Where the room is for individual use and a clear
floor space complying with Section 305.3 is provided
within the room beyond the arc of the
door swing, the door shall not be required to
comply with Section 603.2.2.
DF specifically say centered, but not lavs....