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
processed vertex 1
processed edge (1,6)
processed edge (1,2)
processed vertex 6
processed edge (6,11)
processed edge (6,7)
processed vertex 2
processed edge (2,7)
processed edge (2,3)
processed vertex 11
processed edge (11,16)
processed edge (11,12)
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processed edge (7,12)
processed edge (7,8)
processed vertex 3
processed edge (3,8)
processed edge (3,4)
processed vertex 16
processed edge (16,21)
processed edge (16,17)
processed vertex 12
processed edge (12,17)
processed edge (12,13)
processed vertex 8
processed edge (8,13)
processed edge (8,9)
processed vertex 4
processed edge (4,9)
processed edge (4,5)
processed vertex 21
processed edge (21,22)
processed vertex 17
processed edge (17,22)
processed edge (17,18)
processed vertex 13
processed edge (13,18)
processed edge (13,14)
processed vertex 9
processed edge (9,14)
processed edge (9,10)
processed vertex 5
processed edge (5,10)
processed vertex 22
processed edge (22,23)
processed vertex 18
processed edge (18,23)
processed edge (18,19)
processed vertex 14
processed edge (14,19)
processed edge (14,15)
processed vertex 10
processed edge (10,15)
processed vertex 23
processed edge (23,24)
processed vertex 19
processed edge (19,24)
processed edge (19,20)
processed vertex 15
processed edge (15,20)
processed vertex 24
processed edge (24,25)
processed vertex 20
processed edge (20,25)
processed vertex 25
 -1 1 2 3 4 1 6 7 8 9 6 11 12 13 14 11 16 17 18 19 16 21 22 23 24

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