20 20 5 .*....*0........1... .*.*..*............. .*.*..*............. .*.*..*............. 0..*..*............. .*.*..*............. .*.*..*............. .*.*..*............. .*.*..*............4 .*.*..*............. .*.*..*............. .*.*..*............. .*.*..*............. .*.*..*............. .*.*..*............. .*.*..*3............ .*.*..*............. .*.*..*............. .*.**d**********.*** .*.*2..............$