根据题意模拟即可，while判断

n=int(input())
a=[[0 for i in range(100)]for j in range(100)]
prei=1
prej=n//2+1
posj=0
posi=0
a[1][n//2+1]=1
k=2
while(k<=n*n):
   if(prei==1 and prej!=n):
       posi=n
       posj=prej+1
   elif(prei!=1 and prej==n):
       posi=prei-1
       posj=1
   elif(prei==1 and prej==n):
       posi=prei+1
       posj=prej
   elif(prei!=1 and prej!=n):
       if(a[prei-1][prej+1]==0):
           posi=prei-1
           posj=prej+1
       else:
           posj=prej
           posi=prei+1
   prei=posi
   prej=posj
   a[posi][posj]=k
   k+=1
for i in range(1,n+1):
    for j in range(1,n+1):
        print(a[i][j],end=" ")
    print()