n=int(input()) k=n//2 ans=[[0]*n for i in range(n)] for i in range(k): for j in range(n): ans[i+k][j]=2 for i in range(k): for j in range(k): if i+j>=k-1:ans[i][j+k]=1 else: ans[i+k][j]=1 for l in ans: l=list(map(str,l)) print("".join(l))