)LWWKHVORWVRIWKHXQLWRQWRWKH
FRUUHVSRQGLQJZDOOSKRQHSODWHWDEV
IRU
3
DQG
4
UHVSHFWLYHO\
3
1
2
3
4
4
7RUHPRYHWKHZDOOPRXQWLQJDGDSWRU
:KLOHSXVKLQJGRZQWKHUHOHDVHOHYHUV
UHPRYHWKHDGDSWRU
A
B
A
&KDUJHU
'ULYHWKHVFUHZV
1
QRWVXSSOLHGLQWRWKH
ZDOO
2
PP
LQFKHV
1
2
8VHIXO,QIRUPDWLRQ