50*50" 63*63" 75*75"

"1/2" "3/4" "1" "1-1/4" "1-1/2" "2" "2-1/2" "3" "4"

"1/2" "3/4" "1" "1-1/4" "2" "2-1/2" "3" "4"

1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2/1-2" 3" 4"