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n = int(input())
arr = [[0 for i in range(n+1)] for j in range(n+1)]
num=0
y=0
x=0
i = 0
for i in range(n-1,0,-3):
for j in range(i):
arr[y][x]=num
y+=1
x+=1
num+=1
for j in range(i):
arr[y][x]=num
x-=1
num+=1
for j in range(i):
arr[y][x]=num
y-=1
num+=1
y+=2
x+=1
#print(i)
if i == 3 :
arr[y][x]=num
for i in range(n):
for j in range(i+1):
print(arr[i][j] % 10,end=' ')
print()
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