I'm trying to think of where they'd make it longer...no room at 1, 2, maybe 3, maybe 4, no 5, no 6, yes 7, please don't change 8, maybe 9?, no 10, 11?, don't change 12, maybe 13, maybe 14, no 15, maybe 16, but I think the further back you go, the more elevated it is thereby negating distance, maybe 17 and no room at 18