#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int T; ll N,K; void solve() { int i,j,k,l,r,x,y; string s; cin>>T; while(T--) { cin>>N>>K; ll V[10][10][10]={}; for(i=1;i<=9&&K;i++) { FOR(j,10) if(i!=j&&K) { ll v=N*8; if(K>v) { K-=v; continue; } vector L,M; FOR(k,10) if(k!=i&&kj) M.push_back(k); int num=L.size(); if(num) { if(K<=N*num) { ll len=(K-1)/num; int d=L[(K-1)%num]; cout<