学步园

 
# include <stdio.h>
int main()
{
	int n,m,i,a;
	scanf("%d",&n);
	while(n--)
	{
		scanf("%d",&m);
		for(i=0,a=1;i<m/2;i++,a+=2)
			printf("%d ",a);
		printf("\n");
		for(i=0,a=2;i<m/2;i++,a+=2)
			printf("%d ",a);
		printf("\n");
	}
	return 0;
}