w( 1 )= -3 
w( 2 )= 1 
w( 3 )= 3 
w( 4 )= -1 
w( 5 )= -1 
w( 6 )= 1 
w( 7 )= -1 
w( 8 )= -1 
w( 9 )= 1 
w( 10 )= 1 
w( 11 )= 3 
w( 12 )= -1 
w( 13 )= -3 
w( 14 )= 1 
w( 15 )= 3 
w( 16 )= -1 
w( 17 )= 1 
w( 18 )= 1 
w( 19 )= -1 
w( 20 )= 1 
w( 21 )= -1 
w( 22 )= 1 
w( 23 )= 3 
w( 24 )= 1 
w( 25 )= -1 
