Răspuns :
4 metri*11 tulpini=44 metri va avea bordura
11tulpini-->10 intersectii
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10 intersectii (intersectia e marcata prin "|")
11tulpini-->10 intersectii
----|------|-----|----|------|-----|----|-----|----|-----|------
10 intersectii (intersectia e marcata prin "|")