How to count impossibly large things Fold something. #fold in
   3s, 7 strings high Got 30 squares 3x7=21 x 30
   .21+21=42+21=63x10=630 across
   [vine id = "hd7vqEbp7V5"]
   How to count impossibly large things Fold something. #fold in
   3s, 7 strings high Got 30 squares 3x7=21 x 30
   .21+21=42+21=63x10=630 across