leak 1 3 N
leak 1 3 S
leak 1 4 S
leak 1 6 S
leak 1 7 E
leak 1 7 S
leak 1 8 N
leak 1 8 E
leak 2 1 E
leak 2 1 S
leak 2 2 S
leak 2 3 S
leak 2 4 E
leak 2 4 S
leak 2 5 E
leak 2 6 E
leak 2 6 S
leak 2 7 E
leak 2 8 E
leak 2 8 S
leak 3 1 E
leak 3 1 S
leak 3 2 E
leak 3 2 S
leak 3 5 E
leak 3 5 S
leak 3 6 E
leak 3 7 S
leak 3 8 E
leak 4 1 E
leak 4 1 S
leak 4 1 W
leak 4 2 E
leak 4 3 S
leak 4 4 E
leak 4 4 S
leak 4 5 S
leak 4 7 E
leak 4 8 E
leak 4 9 S
leak 5 2 E
leak 5 2 S
leak 5 3 E
leak 5 3 S
leak 5 4 E
leak 5 4 S
leak 5 5 E
leak 5 9 S
leak 6 4 E
leak 6 4 S
leak 6 5 S
leak 6 6 E