% yajilin 13 by Palmer Mebane, http://www.janko.at/Raetsel/Yajilin/013.a.htm
yajilin
easy+
10 10
........2>3v........
1^..................
....2>..............
....................
..................2^
..................1v
3^..4>..............
......4^............
............1^......
..............3<....
