三介幻方的填法規律是什麼？？？？？好像是 戴九屢一什麼的！

========================1+2=3 =》八宮+一宮=六宮1+3=4 =》八宮+六宮=三宮1+4=5 =》八宮+三宮=五宮1+5=6 =》八宮+五宮=七宮1+6=7 =》八宮+七宮=四宮1+7=8 =》八宮+四宮=九宮...