# Chan and Milner(1982)
# m = 15 p = 10
# Instance format:
# machines_number parts_number
# machine1 part_to_be_processed_1 part_to_be_processed_2 ...
# machine2 part_to_be_processed_1 part_to_be_processed_2 ...
# ...

15 10
1 3 4 6
2 1 7 10
3 2 5 8
4 4 6 9
5 2 5 8
6 3 6 9
7 7 10
8 2 5 8
9 3 4 6 9
10 1 7 10
11 1 7 10
12 1 7 10
13 2 5 8
14 3 4 6 9
15 2 5 8