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RGB7404 - Давхар давталт 4

Өгөгдсөн тоон тусламжтайгаар жишээн дээрхтэй төстэй тоон хэлбэрийг үүсгэ.

Input

Бүхэл тоо өгөгдөнө.

Output

Жишээн дээрхтэй төстэй тоон хэлбэрийг үүсгэ.

Example

Input:
5
Output:
5
5 4
5 4 3
5 4 3 2
5 4 3 2 1

Added by:Bataa
Date:2013-01-14
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:NCSHARP C++ 4.3.2 CPP CPP14 JULIA PYPY3

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