# Shargal et al.(1995) 
# m = 10 p = 38
# 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 ...
# ...

10 38
1 1 16 34
2 1 18 27 34 37
3 2 4 9 14 15 18 20 21 34 36 37
4 2 3 9 17 19 20 22 24 25 28 29 31 36 38
5 3 5 7 8 11 12 17 19 23 24 29 38
6 4 8 32 33 35
7 5 6 10 11 12 13 16 21 22 25 26 28 30 31 35
8 6 10 13 14 15 22 25 26 28 30 31 
9 7 8 23 27
10 9 32 33 36