$ time perl tsp2_v6.pl 2
95383: 1 2 11 16 7 12 8 3 19 20 18 15 5 10 14 23 9 4 13 21 17 6 22 24 Tue Dec 24 09:35:20 2013
95166: 1 21 17 12 7 16 11 2 6 13 4 9 23 14 10 5 15 18 20 3 19 8 22 24 Tue Dec 24 09:35:20 2013
92839: 1 21 13 4 9 23 14 6 17 12 7 16 11 2 8 3 19 20 18 15 5 10 22 24 Tue Dec 24 09:35:20 2013
90498: 1 21 17 12 7 16 11 2 6 13 4 9 23 14 10 5 15 18 20 3 8 19 22 24 Tue Dec 24 09:35:20 2013
89483: 1 21 13 4 9 23 14 6 17 12 7 2 11 16 8 3 19 20 18 15 5 10 22 24 Tue Dec 24 09:35:20 2013
88838: 1 21 13 4 9 23 14 6 17 12 7 2 11 16 8 19 3 20 18 15 5 10 22 24 Tue Dec 24 09:35:20 2013
86867: 1 2 11 16 7 12 17 21 6 13 4 9 23 14 10 5 15 18 20 3 8 19 22 24 Tue Dec 24 09:35:22 2013
85294: 1 2 11 16 7 8 12 17 21 6 13 4 9 23 14 10 5 15 18 20 3 19 22 24 Tue Dec 24 09:35:24 2013
84860: 1 2 11 16 8 7 12 17 21 6 13 4 9 23 14 10 5 15 18 20 3 19 22 24 Tue Dec 24 09:35:32 2013
Perl exited with active threads:
	5 running and unjoined
	194 finished and unjoined
	0 running and detached

real	0m32.107s
user	1m18.492s
sys	0m24.782s