He is a good chart to show different levels to look at ...this shows why I have my target on GS at 96-98 ...96 is 1080 down from the high and 98 is 540 up or a perfect cube...all about geometry...
GS
He is a good chart to show different levels to look at ...this shows why I have my target on GS at 96-98 ...96 is 1080 down from the high and 98 is 540 up or a perfect cube...all about geometry...