In a board game, Miranda and Sam use regular dice to decide how many steps they can go each time. If Sam wants to get from the $$1$$\textsuperscript{st} position to the $$25$$\textsuperscript{th} position as fast as he can, he needs to roll the regular dice at least~\uline{~~~~~~~~~~}~times. 
Overseas Competition->Knowledge Point->Word Problem Modules->Interval Problems->Straight Line Type with Objects on Both Sides