12 questions, not 10, and this one seems relatively easy; I immediately saw the construction for andrewf's answer, which is actually the same as cperciva's answ

12 questions, not 10, and this one seems relatively easy; I immediately saw the construction for andrewf's answer, which is actually the same as cperciva's answer because gur cynar cnffvat guebhtu gjb cbvagf naq gur pragre bs gur fcurer zrrgf gur fcurer ng gur terng pvepyr bs naqerjs'f pbafgehpgvba.