#include<stdio.h>

int main()
{
	int n,m,i,t;
	scanf("%d",&n);
	while(n--)
	{
		scanf("%d",&m);
		t=m;
		for(i=0;i<m*3;i++)
		{
			while(m--)
			printf("ACM");
			printf("\n");
			m=t;
		}
	}
	return 0;
}
/**************************************************************
	Problem: 2012
	User: admin
	Language: C++
	Result: Accepted
	Time:19 ms
	Memory:1144 kb
****************************************************************/