#O callahan "Paul Callahan"@nobi Mon Nov 25 15:17:52 1996
#r 23/3
#R -12 -6
3 2
0 0
1 0
1 2
2 0
2 1
2 2
20 3
20 4
21 4
22 1
22 2
22 3
23 1
16 4
17 4
21 10
21 11
22 10
22 11
15 9
15 10
16 5
16 9
16 10
17 5