7
2 5 6 7 0
0
1 2 7 0
3 5 6 0
7 0
3 0
5 0

#
# data format: number_of_nodes node_1_to_list... 0 ... node_N_to_list... 0
#
# Fig. 8 from Paparo (DOI:10.1038/srep00444 2012),
# same as Fig. 1 from Chawla (arXiv:1905.06575 2019)
#
# Connectivity: L{from} = to
#        1,         2,  3,       4,      5, 6, 7
# L = { [2,5,6,7], [], [1,2,7], [3,5,6], 7, 3, 5 };
#