north: 80 south: 0 east: 120 west: 0 rows: 8 cols: 12 * * * * * * * * * * * * 8 9 10 11 12 13 14 15 16 17 18 19 9 10 11 12 13 14 15 16 17 18 19 20 10 11 12 13 14 15 16 17 18 19 20 21 * * * * * * * * * * * * 12 13 14 15 16 17 18 19 20 21 22 23 13 14 15 16 17 18 19 20 21 22 23 24 14 15 16 17 18 19 20 21 22 23 24 25
