#include <iostream>#include <cstdio>#include <cstdlib>#include <cstring>using namespace std;#define maxn 2005int fn, gn, hn, en;int f[maxn], g[maxn], h[maxn], e[maxn];void input(){ scanf("%d", &fn); for (int i = fn -1; i >=0; i--) scanf("%d", &f[i]); scanf("%d", &gn); for (int i = gn -1; i >=0; i--) scanf("%d", &g[i]); scanf("%d", &hn); for (int i = hn -1; i >=0; i--) scanf("%d", &h[i]);}void mul(){ memset(e, 0, sizeof(e)); for (int i =0; i < fn; i++) for (int j =0; j < gn; j++) e[i + j] ^= f[i] * g[j]; en = fn + gn; while (en >=0&& e[en] ==0) en--; en++;}void mo(){ while (en >= hn) { int d = en - hn; for (int i = hn -1; i >=0; i--) e[i + d] ^= h[i]; while (en >=0&& e[en] ==0) en--; en++; }}int main(){ int t; scanf("%d", &t); while (t--) { input(); mul(); mo(); printf("%d", en); for (int i = en -1; i >=0; i--) printf(" %d", e[i]); putchar('n'); } return 0;}
