function [ X y ] = data_expand( data_normed )
 X = [];
 y = X;

 for cnt_i = 1:10
  hlp_dat = data_normed.( strcat( 'b', int2str( cnt_i ) ) );
  
  X = [ X; hlp_dat( 1:7, 2:end )' ];
  y = [ y; hlp_dat( 8:9, 2:end )' - kron( [ hlp_dat( 8, 1 ) hlp_dat( 9, 1 ) ], ones( size( hlp_dat( 8:9, 2:end ), 2 ), 1 ) ) ];
 end %cnt_i
end %function