Remove duplicate code. Cache results for first/last row/column. Doing loop only once.
Remove duplicate code. Cache results for first/last row/column. Doing loop only once.

culturecode/roo,xchanging-mm4/roo,maruware/roo,pabloh/roo,stevendaniels/roo,salsify/roo,roo-rb/roo,RobertRehberg/roo,reshleman/roo,malept/roo,fabien-michel/roo,airblade/roo,myplaceonline/roo,visagio/roo,thotmx/roo,enemycnt/roo