規則：在空格中填入1∼9，使得每一行、列、宮中的數字都沒有重複外；若相鄰兩數差為2標示白菱形、若為4倍關係標示黑菱形，未標示處上述條件不得成立。
rule : Apply classic sudoku rules. Adjacent cells containing numbers whose difference is 2 are marked with a white rhombus. Adjacent cells containing numbers whose ratio is 4 are marked with a black rhombus. Adjacent cells with no marking must not contain numbers either whose difference is 2 or whose ratio is 4.
解答 result：
