9.1
E AC H CO LU M N : A L I G N F I LT E R H O U S I N G B E T W E E N B R AC K E T S O N TO P O F CO LU M N .
9.2
E AC H CO LU M N : R E I N S TA L L H O U S I N G , P U S H I N G L E F T W I T H F O R C E .
9
PR E PA RE CO LUMN S
FO R USE
1
1
2
3
2
3
83