import java.util.*; // import only needed for printing result
class Ideone {
	public static void main (String[] args) {
		String str = "2\n1\n1 2\n9 3 5\n1 3\n0 9 2 4\n0";
        String[] split = str.replaceAll("(?m)^\\d+\\s*", "").split("\\s");
        System.out.println(str + "\nsplits to " + Arrays.toString(split));
	}
}