(漢用数字が出題，算用数字が回答)
８│四│６│二│９│五│３│七│１
─┼─┼─┼─┼─┼─┼─┼─┼─
七│１│９│４│三│６│８│２│五
─┼─┼─┼─┼─┼─┼─┼─┼─
２│３│五│１│８│７│四│９│６
─┼─┼─┼─┼─┼─┼─┼─┼─
五│２│４│三│７│一│６│８│九
─┼─┼─┼─┼─┼─┼─┼─┼─
９│七│１│６│２│８│５│三│４
─┼─┼─┼─┼─┼─┼─┼─┼─
三│６│８│九│５│四│７│１│二
─┼─┼─┼─┼─┼─┼─┼─┼─
６│９│三│７│４│２│一│５│８
─┼─┼─┼─┼─┼─┼─┼─┼─
一│５│７│８│六│９│２│４│三
─┼─┼─┼─┼─┼─┼─┼─┼─
４│八│２│五│１│三│９│六│７
６│三│７│４│２│一│八│９│５
─┼─┼─┼─┼─┼─┼─┼─┼─
９│五│８│３│７│六│１│４│２
─┼─┼─┼─┼─┼─┼─┼─┼─
二│一│４│５│９│８│３│七│６
─┼─┼─┼─┼─┼─┼─┼─┼─
８│９│一│６│４│七│五│２│３
─┼─┼─┼─┼─┼─┼─┼─┼─
４│２│３│１│５│９│６│８│７
─┼─┼─┼─┼─┼─┼─┼─┼─
７│６│五│八│３│２│四│１│９
─┼─┼─┼─┼─┼─┼─┼─┼─
５│四│９│２│８│３│７│六│一
─┼─┼─┼─┼─┼─┼─┼─┼─
１│８│２│七│６│５│９│三│４
─┼─┼─┼─┼─┼─┼─┼─┼─
３│７│六│九│１│４│２│五│８
(早大・理工 宮田孝富助手 作成)