This is my output for the 'test_allowed.cpp' test.

Hi!
good 1
good 2
good 3
good 4
good 5
good 6
good 7
0-1-2-3-4-6-14-19-18-17-13-16-15-12-11-10-8-9-7-5
0-1-2-3-4-6-14-19-18-17-16-13-15-12-11-10-9-8-7-5