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