int main() {
	int N = 0;
	int num = 0,flag=0;
	scanf("%d", &N);
	for (int i = 1; i <= N * N;) {
		scanf("%d", &num);
		if (flag == 0) {
			for (int j = 0; j < num;j++,i++) {
				
				printf("0");
				if (i % N == 0)
					printf("\n");
			}
			flag = 1;
			continue;
		}
		else if (flag == 1) {
			for (int j = 0; j < num; j++,i++) {
				
				printf("1");
				if (i % N == 0)
					printf("\n");
			}
			flag = 0;
		}
	}
}