position        dset1           dset1           difference          
------------------------------------------------------------
[ 1 1 ]          1               4               3              
position        dset2           dset2           difference          
------------------------------------------------------------
[ 1 1 ]          1               4               3              
position        dset3           dset3           difference          
------------------------------------------------------------
[ 0 0 ]          100             120             20             
[ 0 1 ]          100             80              20             
[ 1 0 ]          100             0               100            
[ 1 1 ]          0               100             100            
[ 2 1 ]          100             50              50