anchor.diff:  426,9,
   427,9,
   428,9,
  -429,9,NW/mach bike area
  -430,9,NE/acro bike area
  +429,9,"NW/mach bike area"
  +430,9,"NE/acro bike area"
   431,9,SW
   432,9,SE
   433,9,
   434,9,
  -435,9,expansion south
  -436,9,expansion north
  +435,9,"expansion south"
  +436,9,"expansion north"
   437,9,
   438,9,
   439,9,
  
positive.code: 346,9,"Area 1, east"
  347,9,"Area 2, north"
  348,9,"Area 3, west"
  349,9,S.S. Anne dock
  350,9,
  351,9,
  352,9,
  
negative.code: 498,9,B1F
  499,9,waterfall
  500,9,
  501,9,"room 1"
  502,9,"room 2"
  503,9,"room 3"
  504,9,"room 4"
  505,9,"room 5"
  506,9,"room 6"
  507,9,"room 7"
  508,9,"room 8"
  509,9,"room 9"
  510,9,"room 10"
  511,9,"item rooms"
  512,9,
  513,9,
  514,9,
  