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