#include<bits/stdc++.h>
#define int long long 

const int MOD = 998244353;
using namespace std;

int qmi(int a,int k,int q)
{
    int num=1;
    while(k)
    {
        if(k&1) num = num * a % q;
        a = a * a % q;
        k >>= 1;
    }
    return num;
}

void solve()
{
    vector<int> a(11,0);
    
    for(int i=1;i<=9;i++) cin>>a[i];

    int add = min(a[1],a[2]);
    a[3] += add;
    a[2] -= add;
    a[1] -= add;
    
    
    a[3] += a[1]/3;
    
    a[1] %= 3;
    
    a[2] += a[1]/2;
    
    a[1] %= 2;
    
    if(a[1]==1)
    {
        for(int i=2;i<=9;i++)
        {
            if(a[i]!=0) 
            {
                a[i]--,a[i+1]++;
                break;
            }
        }
    }
    int res=1;
    for(int i=1;i<=10;i++)
    {
        res = res * qmi(i , a[i] ,MOD) % MOD;
    }
    cout<<res<<endl;
}

signed main()
{
    int t;
    cin>>t;
    while(t--)
    {
        solve();
    }
        
}