1:  6 2
2:  7 3 1
3:  8 4 2
4:  9 5 3
5:  10 4
6:  11 1 7
7:  12 2 8 6
8:  13 3 9 7
9:  14 4 10 8
10:  15 5 9
11:  16 6 12
12:  17 7 13 11
13:  18 8 14 12
14:  19 9 15 13
15:  20 10 14
16:  21 11 17
17:  22 12 18 16
18:  23 13 19 17
19:  24 14 20 18
20:  25 15 19
21:  16 22
22:  17 23 21
23:  18 24 22
24:  19 25 23
25:  20 24
entered vertex 1 at time 2
tree edge (1,6)
entered vertex 6 at time 4
tree edge (6,11)
entered vertex 11 at time 6
tree edge (11,16)
entered vertex 16 at time 8
tree edge (16,21)
entered vertex 21 at time 10
back edge (21,16)
tree edge (21,22)
entered vertex 22 at time 12
tree edge (22,17)
entered vertex 17 at time 14
back edge (17,22)
tree edge (17,12)
entered vertex 12 at time 16
back edge (12,17)
tree edge (12,7)
entered vertex 7 at time 18
back edge (7,12)
tree edge (7,2)
entered vertex 2 at time 20
back edge (2,7)
tree edge (2,3)
entered vertex 3 at time 22
tree edge (3,8)
entered vertex 8 at time 24
tree edge (8,13)
entered vertex 13 at time 26
tree edge (13,18)
entered vertex 18 at time 28
tree edge (18,23)
entered vertex 23 at time 30
back edge (23,18)
tree edge (23,24)
entered vertex 24 at time 32
tree edge (24,19)
entered vertex 19 at time 34
back edge (19,24)
tree edge (19,14)
entered vertex 14 at time 36
back edge (14,19)
tree edge (14,9)
entered vertex 9 at time 38
back edge (9,14)
tree edge (9,4)
entered vertex 4 at time 40
back edge (4,9)
tree edge (4,5)
entered vertex 5 at time 42
tree edge (5,10)
entered vertex 10 at time 44
tree edge (10,15)
entered vertex 15 at time 46
tree edge (15,20)
entered vertex 20 at time 48
tree edge (20,25)
entered vertex 25 at time 50
back edge (25,20)
back edge (25,24)
exit vertex 25 at time 51
back edge (20,15)
back edge (20,19)
exit vertex 20 at time 53
back edge (15,10)
back edge (15,14)
exit vertex 15 at time 55
back edge (10,5)
back edge (10,9)
exit vertex 10 at time 57
back edge (5,4)
exit vertex 5 at time 59
back edge (4,3)
exit vertex 4 at time 61
back edge (9,8)
exit vertex 9 at time 63
back edge (14,13)
exit vertex 14 at time 65
back edge (19,18)
exit vertex 19 at time 67
back edge (24,23)
exit vertex 24 at time 69
back edge (23,22)
exit vertex 23 at time 71
back edge (18,13)
back edge (18,17)
exit vertex 18 at time 73
back edge (13,8)
back edge (13,12)
exit vertex 13 at time 75
back edge (8,3)
back edge (8,7)
exit vertex 8 at time 77
back edge (3,2)
exit vertex 3 at time 79
back edge (2,1)
exit vertex 2 at time 81
back edge (7,6)
exit vertex 7 at time 83
back edge (12,11)
exit vertex 12 at time 85
back edge (17,16)
exit vertex 17 at time 87
back edge (22,21)
exit vertex 22 at time 89
exit vertex 21 at time 91
back edge (16,11)
exit vertex 16 at time 93
back edge (11,6)
exit vertex 11 at time 95
back edge (6,1)
exit vertex 6 at time 97
exit vertex 1 at time 99

1
1 6 11 16 21 22 17 12 7 2
1 6 11 16 21 22 17 12 7 2 3
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24 19 14 9 4
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24 19 14 9 4 5
1 6
1 6 11 16 21 22 17 12 7
1 6 11 16 21 22 17 12 7 2 3 8
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24 19 14 9
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24 19 14 9 4 5 10
1 6 11
1 6 11 16 21 22 17 12
1 6 11 16 21 22 17 12 7 2 3 8 13
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24 19 14
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24 19 14 9 4 5 10 15
1 6 11 16
1 6 11 16 21 22 17
1 6 11 16 21 22 17 12 7 2 3 8 13 18
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24 19
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24 19 14 9 4 5 10 15 20
1 6 11 16 21
1 6 11 16 21 22
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24
1 6 11 16 21 22 17 12 7 2 3 8 13 18 23 24 19 14 9 4 5 10 15 20 25