Task #1015

Memory 16 MB Time 1000 ms Complexity 20 %

Interesting problem #1

Sizga N soni beriladi. 1 dan N² gacha bo'lgan sonlarni testlarda ko'rsatilganidek chop etishingiz so'raladi !

Input:

Bir qatorda N soni beriladi (1 ≤ N ≤ 500)

Output:

Masala javobini chop eting!

Examples

input.txt

output.txt

1 2 3 24 25 
6 5 4 23 22 
7 8 9 20 21 
12 11 10 19 18 
13 14 15 16 17

3 2 1 36 35 34 
4 5 6 31 32 33 
9 8 7 30 29 28 
10 11 12 25 26 27 
15 14 13 24 23 22 
16 17 18 19 20 21

Note:

Eslatma!: Testlarda N ning toq va juft bo'lgandagi tartib holatlari berilgan. Yaxshilab e'tibor bering!

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