//#pragma GCC optimize(2)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2")
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define N 1000005
#define mod 998244353
#define pii pair<int,int>
#define mp make_pair
#define pb push_back
#define ls (rt<<1)
#define rs ((rt<<1)|1)
#define fi first
#define se second
#define INF 1e9
#define rep(i,l,r) for(int i=(l);i<=(r);i++)
int qpow(int a,int b){
	int res=1;
	for(;b;b>>=1){
		if(b&1) res=res*a%mod;
		a=a*a%mod;
	}
	return res;
}
int fac[N],ifac[N];
int C(int n,int m){
	if(m>n||m<0||n<0) return 0;
	return fac[n]*ifac[n-m]%mod*ifac[m]%mod;
}
void init(){
	fac[0]=1;
	for(int i=1;i<N;i++) fac[i]=fac[i-1]*i%mod;
	ifac[N-1]=qpow(fac[N-1],mod-2);
	for(int i=N-2;i>=0;i--) ifac[i]=ifac[i+1]*(i+1)%mod;
}
inline int lowbit(int x){return x&(-x);}
inline int read(){
	int x=0,t=1;char ch=getchar();
	while(ch<'0'||ch>'9'){
		if(ch=='-') t=-1;
		ch=getchar();
	}
	while(ch>='0'&&ch<='9'){
		x=(x<<1)+(x<<3)+(ch-'0');
		ch=getchar();
	}
	return x*t;
}
inline void write(int x){
	if(x<0) putchar('-'),x=-x;
	if(x>=10) write(x/10);
	putchar(x%10+'0');
}
int T,n,k,q,p1[N],p2[N],val[N],B=sqrt(mod)+40,inc[25],sum[N],now[25],res[25],out[N][21];
int dp[N][21];
struct matrix{int a[21][21];}tmp,a0[40000],ab[40000];
matrix operator*(matrix a,matrix b){
	matrix c;memset(c.a,0,sizeof(c.a));
	for(int i=0;i<=k;i++)
		for(int j=0;j<=k;j++)
			for(int o=0;o<=k;o++)
				(c.a[i][j]+=a.a[i][o]*b.a[o][j])%=mod;
	return c;
}
signed main(){
	ios::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);
	cin>>n>>k>>q;init();
	//k位，每位0~n
	p1[0]=1;for(int i=1;i<=k;i++) p1[i]=p1[i-1]*n;
	p2[0]=1;for(int i=1;i<=k;i++) p2[i]=p2[i-1]*(n-1);
	for(int i=0;i<=k;i++)
		inc[i]=C(k,i)*p2[i]%mod,inc[i]=qpow(inc[i],mod-2);
	for(int i=0;i<=k;i++){
		if(i) tmp.a[i-1][i]=i;
		tmp.a[i][i]=i*(n-2)%mod;
		if(i!=k) tmp.a[i+1][i]=(k-i)*(n-1)%mod;
	}
	a0[1]=tmp;
	for(int i=2;i<=B;i++) a0[i]=a0[i-1]*tmp;
	ab[1]=a0[B];
	for(int i=2;i<=B;i++) ab[i]=ab[i-1]*a0[B];
	for(int i=0;i<=k;i++) a0[0].a[i][i]=ab[0].a[i][i]=1;
	int all=1;
	for(int i=1;i<=k;i++) all=all*n;
	for(int i=0;i<all;i++) cin>>val[i],dp[i][0]=val[i];
	for(int l=0;l<all;l++)
		for(int i=0;i<k;i++){
			int pos=l-p1[i]*((l/p1[i])%n);
			out[l][i]=pos;
		}
	for(int i=0;i<k;i++){
		for(int j=i+1;j>=1;j--){
			for(int l=0;l<all;l++) sum[l]=0;
			for(int l=0;l<all;l++){
				int pos=out[l][i];
				(sum[pos]+=dp[l][j-1]);
			}
			for(int l=0;l<all;l++){
				int pos=out[l][i];
				dp[l][j]=(dp[l][j]+sum[pos]-dp[l][j-1]);
			}
		}
	}
	for(int l=0;l<all;l++)
		for(int i=0;i<=k;i++)
			dp[l][i]%=mod;
	int lst=1;
	while(q--){
		int a,b;cin>>a>>b;
		b=b*lst%mod;
		for(int i=0;i<=k;i++) now[i]=a0[b%B].a[i][0];
		for(int i=0;i<=k;i++) res[i]=0;
		for(int i=0;i<=k;i++)
			for(int j=0;j<=k;j++){
				int v=ab[b/B].a[i][j];
				(res[i]+=v*now[j])%=mod;
			}
		int ans=0;
		for(int i=0;i<=k;i++)(ans+=res[i]*inc[i]%mod*dp[a][i])%=mod;
		//for(int i=0;i<=k;i++) cout<<res[i]<<" "<<dp[a][i]<<" "<<inc[i]<<endl;
		cout<<ans<<endl;lst=ans;
	}
	return 0;
}