#include<bits/stdc++.h>
#define int long long
#define mod 998244353ll
#define pii pair<int,int>
#define fi first
#define se second
#define mems(x,y) memset(x,y,sizeof(x))
#define pb push_back
#define db double
using namespace std;
const int maxn=200010;
const int inf=1e18;
inline int read(){
	int x=0,f=1;
	char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+(ch-48);ch=getchar();}
	return x*f;
}
bool Mbe;

int n,ans=1;
int a[12];
inline int ksm(int a,int b=mod-2){
	int ans=1;
	while(b){
		if(b&1)ans=ans*a%mod;
		a=a*a%mod;
		b>>=1;
	}
	return ans;
}
void work(){
	for(int i=1;i<=9;i++)a[i]=read();ans=1;
	while(a[1]>=2){
		if(a[2]>=2){
			a[1]-=2,a[2]-=2,a[3]+=2;
		}
		else{
			a[1]-=2,a[2]++;
		}
	}
	if(a[1]){
		for(int i=2;i<=9;i++)if(a[i]){a[i]--,a[i+1]++;break;}
		a[1]=0;
	}
	// for(int i=1;i<=10;i++)cout<<a[i]<<" ";cout<<"\n";
	for(int i=2;i<=10;i++){
		ans=ans*ksm(i,a[i])%mod;
		a[i]=0;
	}
	printf("%lld\n",ans);
}

// \
444

bool Med;
int T;
signed main(){
//	freopen(".in","r",stdin);
//	freopen(".out","w",stdout);
	
//	ios::sync_with_stdio(0);
//	cin.tie(0);cout.tie(0);
	
//	cerr<<(&Mbe-&Med)/1048576.0<<" MB\n";
	
	T=read();
	while(T--)work();
}