how to set / add another rules in random selection code

Question

this is my code for random selection of  nurse scheduling...

i have 7 columns (work of day)  and M rows ..

how can I make the 44(off) is just one 44 in a week and before  44 must 33(night)? 


  row = get(handles.tblLoad,'Data');
  
  [rs cs] = size(row);
  
  dataName=row(1:rs);
  
  set(handles.tblGenerate,'RowName',dataName);
  
   m=str2double(get(handles.txtjumlah,'String'));
       
  %call function from file randomwords.m to generate row by row randomly
  
  %  B = cell(m,7);
  
  % B{m,7} = [];
   
  % for i = 1:1
  
  %     for q = 1:m
  
  %         for j = 1:7
  
  %             B{q,j}=randomwords(10,1) %random mx7 dlm cell
               
  %         end
  
  %     end   
  
  % end
  
  % x=cell2mat(B); % convert jadi matrix
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  % This function will randomly set a rules for soft constraint and save it in N
  
  % case 1
  
  % +----------------------+
  
  % |  Shift        |  Percent |
  
  % |11(Morning)|    0.5   |
  
  % |22(Evening)|    0.3   |
  
  % |33(Night)     |  0.175 |
  
  % |44(off)          |   0.025 |
  
  % +----------------------+
  
  % case 2
  
  % +----------------------+
  
  % |  Shift    |  Percent |
  
  % |11(Morning)|   0.45   |
  
  % |22(Evening)|   0.33   |
  
  % |33(Night)  |   0.195  |
  
  % |44(off)    |   0.025  |
  
  % +----------------------+
  
  % case 3
  
  % +----------------------+
  
  % |  Shift    |  Percent |
  
  % |11(Morning)|   0.40   |
  
  % |22(Evening)|   0.36   |
  
  % |33(Night)  |   0.215  |
  
  % |44(off)    |   0.025  |
  
  % +----------------------+
  
  AA = [m 7];
  
  for i=1:7
  
  %bil=round(rand(1,1)*2) %random number from 0-2
  
  bil44=1;
  
      switch bil
          
       case 0
         
           bil11=round(m*0.5)
      
           bil22=round(m*0.3)
     
           bil33=round(m*0.175)
        
           bil44= round(m*0.025) 
   
      case 1
      
           bil11=round(m*0.45)
   
           bil22=round(m*0.33)
    
           bil33=round(m*0.195)
  
           bil44= round(m*0.025) 
  
       case 2
  
           bil11=round(m*0.40)
  
           bil22=floor(m*0.36)
  
            bil33=round(m*0.215)
  
            bil44= round(m*0.025) 
      
  end
  
          if bil44==0
        
          bil44=1;
  
  end
  
  N(:,i)=[bil11;bil22;bil33;bil44] % set of rules of soft constraint
  
  end
  
  % Data of shift is assign in mx7 cell and store in x
  
  t=sum(N)~=AA(1);
  
  if isnan(m)
  
      msgbox('Total of nurse is not a valid number','Warning','error')
  
  else
  
  if any(t), I1 = randi(size(N,1)-1);
  
      N(I1,:) = N(I1,:)-t;
  
  end
  
  x = zeros(AA);
  
  xx = 11*(1:4)';
  
  for j = 1:size(N,2)
  
      x(randperm(AA(1)),j) = ...
  
         cell2mat(arrayfun(@(i)xx(i)*ones(N(i,j),1),1:length(xx),'un',0).');
  
  end
  
  end

how to set / add another rules in random selection code

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how to set / add another rules in random selection code

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