picture depicts this.  When you can train your eyes to see the field as a collection |
| of these triangular shapes, a square shape will jump out at you. Try this with the above |
| There is perhaps no commercial use to this. However, you can impress someone by |
| simply finding a four-leaf clover. If you want to impress someone, find a hand full. |
| Then give it to that someone special and tell them you are giving them a handful of |
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