# Voor boundary-conditions:
      P901 = (M =  59 , N =   1 , NAME=' South Boundary     ')
      P902 = (M =  51 , N =   1 , NAME=' South Boundary     ')
      P903 = (M =  39 , N =   1 , NAME=' South Boundary     ')
      P904 = (M =  27 , N =   1 , NAME=' South Boundary     ')
      P905 = (M =  15 , N =   1 , NAME=' South Boundary     ')
      P906 = (M =   2 , N =   1 , NAME=' South Boundary     ')
      P907 = (M =   1 , N =   2 , NAME=' West Boundary      ')
      P908 = (M =   1 , N =  19 , NAME=' West Boundary      ')
      P909 = (M =   1 , N =  35 , NAME=' West Boundary      ')
      P910 = (M =   1 , N =  55 , NAME=' West Boundary      ')
      P911 = (M =   1 , N =  63 , NAME=' West Boundary      ')
      P912 = (M =   1 , N =  71 , NAME=' West Boundary      ')
      P913 = (M =   1 , N =  87 , NAME=' West Boundary      ')
      P914 = (M =   1 , N = 103 , NAME=' West Boundary      ')
      P915 = (M =   1 , N = 117 , NAME=' West Boundary      ')
      P916 = (M =   2 , N = 118 , NAME=' North-West Boundary')
      P917 = (M =  15 , N = 131 , NAME=' North-West Boundary')
      P918 = (M =  27 , N = 143 , NAME=' North-West Boundary')
      P919 = (M =  43 , N = 159 , NAME=' North-West Boundary')
      P920 = (M =  47 , N = 163 , NAME=' North-West Boundary')
      P921 = (M =  51 , N = 167 , NAME=' North-West Boundary')
      P922 = (M =  56 , N = 172 , NAME=' North-West Boundary')
      P923 = (M =  57 , N = 173 , NAME=' North Boundary     ')
      P924 = (M =  75 , N = 173 , NAME=' North Boundary     ')
      P925 = (M =  91 , N = 173 , NAME=' North Boundary     ')
      P926 = (M = 115 , N = 173 , NAME=' North Boundary     ')
      P927 = (M = 135 , N = 173 , NAME=' North Boundary     ')
#   voor lozingen - rivierafvoeren
    P351=(M= 72, N= 98, NAME=' Firth of Forth   ')
    P352=(M= 96, N= 72, NAME=' Humber           ')
    P353=(M=102, N= 43, NAME=' Thames           ')
    P354=(M=127, N= 42, NAME=' Schelde          ')
    P355=(M=129, N= 48, NAME=' Haringvliet      ')
    P356=(M=130, N= 49, NAME=' Nw Waterweg      ')
    P357=(M=133, N= 54, NAME=' IJmuiden         ')
    P358=(M=136, N= 61, NAME=' Den Oever        ')
    P359=(M=138, N= 65, NAME=' Kornwerderzand   ')
    P360=(M=155, N= 64, NAME=' Eems             ')
    P361=(M=162, N= 67, NAME=' Weser            ')
    P362=(M=168, N= 72, NAME=' Elbe             ')
# extra toegevoegd
    P363=(M= 98, N= 18, NAME=' Seine            ')