2016年7月1日是中国共产党成立95周年纪念日,为表祝贺,王小明同学设计了一个新奇的五阶幻方(如图1,在5×5的正方形网格图中填有25个数).这个新奇的五阶幻方里面的数看似杂乱无章,毫无规律可言,但它却有奇妙之处,王小明同学告诉大家:在图1所示的新奇五阶幻方中随意圈定一个数(例如图2中的数21),然后将这个数所在的行与列上的数用直线划掉;再随意圈定一个没有被划掉的数(例如图2中的数36),然后 July 1, 2016 was the 95th anniversary of the founding of the Communist Party of China. It was a congratulatory message. Wang Xiaoming designed a novel fifth-order magic square (Figure 1, with 25 numbers in a 5×5 square grid pattern). ). The numbers in this novel fifth-order magic square appear to be disorganized and there is no law to speak of, but it has its own wonders. Wang Xiaoming tells you: in the novelty fifth-order magic square shown in Figure 1, it is free to delineate a Number (such as the number 21 in Figure 2), and then the number of the row and column where the number is crossed out with a straight line; then free to delimit a number (for example, the number 36 in Figure 2), and then it is not crossed out, and then