#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

char*mmap();
#define RD(v) int v=0;{int _c;while(_c=*rp++-48,_c>=0)v=v*10+_c;}

char wbuf[1<<28];

main(){
	char*rp=mmap(0l,1l<<28,1,2,0,0ll);
	RD(v);
	RD(d);
	memset(wbuf,'1',v+2);
	wbuf[v]=10;
	memset(wbuf+(v+2),d==1?'1':'0',v-1);
	wbuf[v*2+1]=10;
	for(int y=2;y<v;++y){
		memcpy(wbuf+(v+1)*y,wbuf+(v+1),v+1);
	}
	write(1,wbuf,(v+1)*v);
}