KarelWorld streets 6 avenues 10 beepers 1 2 1 eastwestwalls 3 5 5 eastwestwalls 3 4 4 eastwestwalls 3 3 3 eastwestwalls 3 2 2 northsouthwalls 5 3 3 northsouthwalls 5 2 2 northsouthwalls 5 1 1 northsouthwalls 1 3 3 northsouthwalls 1 2 2 northsouthwalls 1 1 1