n = int(input())
for i in range(1, n + 1):
print(" " * (n - i), end="")
for j in range(1, i):
print(j, end=",")
for j in range(i, 0, -1):
print(j, end="")
if j != 1:
print(",", end="")
print()
for i in range(n - 1, 0, -1):
print(" " * (n - i), end="")
for j in range(1, i):
print(j, end=",")
for j in range(i, 0, -1):
print(j, end="")
if j != 1:
print(",", end="")
print()
for i in range(1, n + 1):
print(" " * (n - i), end="")
for j in range(1, i):
print(j, end=",")
for j in range(i, 0, -1):
print(j, end="")
if j != 1:
print(",", end="")
print()
for i in range(n - 1, 0, -1):
print(" " * (n - i), end="")
for j in range(1, i):
print(j, end=",")
for j in range(i, 0, -1):
print(j, end="")
if j != 1:
print(",", end="")
print()
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