'''
a number will be the input
the output will be a diamond of numbers
just run the damn thing :3
'''
n = int (input())

for j in range (1,n+1,1) :
    print (" "*(2*n-2*j+1),end = "")

    for i in range (1,2*j,1) :
            print (i,end =" ")

    print ("")

#lower part

for m in range  (n-1,0,-1) :
    print (" "*(2*n-2*m +1),end = "" )

    for k in range (1,2*m,1):
        print(k,end= " ")

    print ("")