- <>C7 - Third level seventh position from front end. 
- <>A5 - Bottom level fifth position from front end. 
- <>B5 - Second level fifth position from front end. 
- <>C1 - Third level first position from front end. 
- <>A3 - Bottom level third position from front end. 
- <>A4 - Bottom level fourth position from front end 
- <>C6 - Third level sixth position from front end. 
- <>B2 - Second level second position from front end. 
- <>A2 - Bottom level second position from front end. 
- <>C5 - Third level fifth position from front end. 
- <>A7 - Bottom level seventh position from front end 
- <>B3 - Second level third position from front end. 
- <>B6 - Second level sixth position from front end. 
- <>A6 - Bottom level sixth position from front end. 
- <>C4 - Third level fourth position from front end. 
- <>B7 - Second level seventh position from front end. 
- <>C3 - Third level third position from front end. 
- <>A1 - Bottom level first position from front end. 
- <>B1 - Second level first position from front end. 
- <>B4 - Second level fourth position from front end. 
- <>C2 - Third level second position from front end.