# Chan and Milner (1982) - Fig.3a
# 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 8
2 1 6 7
3 3 4 8 9
4 4 8 9
5 2
6 1 3 4 6 7 8 9
7 1 6 9
8 5 10
9 2 5 10
10 2 5 10
11 1 6 7 8
12 1 6 7
13 2 5 10
14 3 4 8 9
15 2 5 10