# This is a sample input data file. In the beginning there can be any number
# of comments, i.e. lines that start with '#' (no blanks). After that, there
# are patent records that each consist of two lines. The first line consists 
# of the patent ID and the patent year. The second line is a list of references
# for that patent.
#
Re283250US 1989
    3045799US 3135371US 3191740US 3349884US 3353646US 3554348US 3568811US 3642110US 49113JP 2236973GB 2239206GB
4283171US 1991
    3045799US 3135371US 3191740US 3349884US 3353646US 3554348US 3568811US 3642110US 3718243US 3721327US Re283150US 2239206GB
Re283150US 2000
    3045799US 3135371US 3191740US 3349884US 3353646US 3554348US 3568811US 3642110US 49113JP 2236973GB 2239206GB
D999999US 1981
    3045799US 3135371US 3191740US 3349884US 3353646US 3554348US 3568811US 3642110US 3718243US 3721327US 3871505US 3718243US 3721327US 3871505US
4283151US 1992
    5061839US 5063280US 4283150US 3871505US 49113JP 2236973GB 2239206GB
1293151US 1992
    5061839US 5063280US 4283150US 3871505US 49113JP 2236973GB 2239206GB
1283151US 1992
    5061839US 5063280US 4283150US 3871505US 49113JP 2236973GB 2239206GB
1283151US 1992
    5061839US 5063280US 4283150US 3871505US 49113JP 2236973GB 2239206GB