10 PRINT "1: ";RND(1);RND(1);RND(0);RND(0);RND(1)
20 PRINT "2: ";RND(-2);RND(1);RND(1);RND(1)
30 PRINT "3: ";RND(-5);RND(1);RND(1);RND(1)
40 PRINT "4: ";RND(-2);RND(1);RND(1);RND(1)