imax 1
jmax 3
kmax 1

---------------------------------
bin b1 
observation 12 
---------------------------------
bin     b1    b1    b1    b1    
process     sig    bkg1    bkg2   bkg3
process     0     1    2     3    
rate     5     8      1     2
---------------------------------
lumi lnN - 1.01 1.01 1.01
---------------------------------

