Gadzira shanduro yakaoma zvikuru yemutsara uyu Inogonawo kunongedzera kugrafu inoratidza huwandu hwemvura inosvika pane imwe nzvimbo yekubudisa, kana nzvimbo mune imwe nzira yekugadzira mvura, yakabatana nenguva.
Zvechokwadi, shanduro yakaoma zvikuru yemutsara uyu ndeyekuti "Inogonawo kureva girafu inoratidza huwandu hwemvura inosvika pane imwe nzvimbo, kana kuti nzvimbo mune imwe nzvimbo yekugadzira tsvina, rgraphs inowanzoshandiswa mukugadzirwa kwemvura yekugadzira tsvina, kunyanya, kugadzirwa kwemvura yemvura yekugadzira tsvina uye masangano akabatanidzwa".