((Oceanodroma_leucorhoa,Diomedea_exulans)2,(Pelecanoides_urinatrix,((Pterodroma_baraui,Pterodroma_nigripennis)4,(((Procellaria_cinerea,Bulweria_bulwerii)6,((Pseudobulweria_rostrata,Pseudobulweria_aterrima)7,(Puffinus_creatopus,Puffinus_carneipes)7,(Calonectris_diomedea,Puffinus_bulleri,Puffinus_pacificus)7,Puffinus_gravis,Puffinus_griseus,Puffinus_tenuirostris)6,(((Puffinus_mauretanicus,Puffinus_yelkouan)8,(Puffinus_gavia,Puffinus_huttoni)8,Puffinus_assimilis,Puffinus_lherminieri,Puffinus_auricularis,Puffinus_puffinus)7,Puffinus_nativitatis)6)5,(Pagodroma_nivea,(Macronectes_giganteus,Fulmarus_glacialis)6)5)4)3)2)1;
n: 29 m: 29
0 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 1 1 2 4 4 4 4 4 5 6 3 3 
4 0 6 6 6 6 6 6 6 6 5 5 5 5 5 5 5 1 1 2 5 5 5 5 5 4 4 3 3 
4 6 0 7 7 7 7 7 7 7 5 5 5 5 5 5 5 1 1 2 5 5 5 5 5 4 4 3 3 
4 6 7 0 7 7 7 7 7 7 5 5 5 5 5 5 5 1 1 2 5 5 5 5 5 4 4 3 3 
4 6 7 7 0 7 7 7 7 7 5 5 5 5 5 5 5 1 1 2 5 5 5 5 5 4 4 3 3 
4 6 7 7 7 0 7 7 7 7 5 5 5 5 5 5 5 1 1 2 5 5 5 5 5 4 4 3 3 
4 6 7 7 7 7 0 8 7 7 5 5 5 5 5 5 5 1 1 2 5 5 5 5 5 4 4 3 3 
4 6 7 7 7 7 8 0 7 7 5 5 5 5 5 5 5 1 1 2 5 5 5 5 5 4 4 3 3 
4 6 7 7 7 7 7 7 0 8 5 5 5 5 5 5 5 1 1 2 5 5 5 5 5 4 4 3 3 
4 6 7 7 7 7 7 7 8 0 5 5 5 5 5 5 5 1 1 2 5 5 5 5 5 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 0 6 6 6 6 6 6 1 1 2 5 5 6 6 6 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 6 0 6 6 6 6 6 1 1 2 5 5 6 6 6 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 6 6 0 6 6 6 6 1 1 2 5 5 6 6 6 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 6 6 6 0 7 6 6 1 1 2 5 5 7 6 6 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 6 6 6 7 0 6 6 1 1 2 5 5 7 6 6 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 6 6 6 6 6 0 7 1 1 2 5 5 6 6 6 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 6 6 6 6 6 7 0 1 1 2 5 5 6 6 6 4 4 3 3 
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 2 1 1 1 1 1 1 1 1 1 1 
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 0 1 1 1 1 1 1 1 1 1 1 
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 0 2 2 2 2 2 2 2 2 2 
4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 1 2 0 6 5 5 5 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 1 2 6 0 5 5 5 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 6 6 6 7 7 6 6 1 1 2 5 5 0 6 6 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 1 1 2 5 5 6 0 7 4 4 3 3 
4 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 1 1 2 5 5 6 7 0 4 4 3 3 
5 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 1 1 2 4 4 4 4 4 0 5 3 3 
6 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 1 1 2 4 4 4 4 4 5 0 3 3 
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 1 2 3 3 3 3 3 3 3 0 4 
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 1 2 3 3 3 3 3 3 3 4 0 

[Fulmarus_glacialis, Puffinus_nativitatis, Puffinus_puffinus, Puffinus_auricularis, Puffinus_lherminieri, Puffinus_assimilis, Puffinus_huttoni, Puffinus_gavia, Puffinus_yelkouan, Puffinus_mauretanicus, Puffinus_tenuirostris, Puffinus_griseus, Puffinus_gravis, Puffinus_pacificus, Puffinus_bulleri, Puffinus_carneipes, Puffinus_creatopus, Diomedea_exulans, Oceanodroma_leucorhoa, Pelecanoides_urinatrix, Bulweria_bulwerii, Procellaria_cinerea, Calonectris_diomedea, Pseudobulweria_aterrima, Pseudobulweria_rostrata, Pagodroma_nivea, Macronectes_giganteus, Pterodroma_nigripennis, Pterodroma_baraui]
Puffinus_yelkouan Puffinus_mauretanicus Puffinus_puffinus 1 (8,9,2)
Puffinus_huttoni Puffinus_gavia Puffinus_puffinus 1 (6,7,2)
Puffinus_carneipes Puffinus_creatopus Puffinus_tenuirostris 1 (15,16,10)
Puffinus_pacificus Puffinus_bulleri Puffinus_tenuirostris 1 (13,14,10)
Puffinus_puffinus Puffinus_auricularis Puffinus_lherminieri 2 (2,3,4)
Puffinus_puffinus Puffinus_auricularis Puffinus_assimilis 2 (2,3,5)
Puffinus_puffinus Puffinus_auricularis Puffinus_gavia 2 (2,3,7)
Puffinus_puffinus Puffinus_auricularis Puffinus_mauretanicus 2 (2,3,9)
Puffinus_puffinus Puffinus_lherminieri Puffinus_assimilis 2 (2,4,5)
Puffinus_puffinus Puffinus_lherminieri Puffinus_gavia 2 (2,4,7)
Puffinus_puffinus Puffinus_lherminieri Puffinus_mauretanicus 2 (2,4,9)
Puffinus_puffinus Puffinus_assimilis Puffinus_gavia 2 (2,5,7)
Puffinus_puffinus Puffinus_assimilis Puffinus_mauretanicus 2 (2,5,9)
Puffinus_puffinus Puffinus_gavia Puffinus_mauretanicus 2 (2,7,9)
Puffinus_auricularis Puffinus_lherminieri Puffinus_assimilis 2 (3,4,5)
Puffinus_auricularis Puffinus_lherminieri Puffinus_gavia 2 (3,4,7)
Puffinus_auricularis Puffinus_lherminieri Puffinus_mauretanicus 2 (3,4,9)
Puffinus_auricularis Puffinus_assimilis Puffinus_gavia 2 (3,5,7)
Puffinus_auricularis Puffinus_assimilis Puffinus_mauretanicus 2 (3,5,9)
Puffinus_auricularis Puffinus_gavia Puffinus_mauretanicus 2 (3,7,9)
Puffinus_lherminieri Puffinus_assimilis Puffinus_gavia 2 (4,5,7)
Puffinus_lherminieri Puffinus_assimilis Puffinus_mauretanicus 2 (4,5,9)
Puffinus_lherminieri Puffinus_gavia Puffinus_mauretanicus 2 (4,7,9)
Puffinus_assimilis Puffinus_gavia Puffinus_mauretanicus 2 (5,7,9)
Puffinus_puffinus Puffinus_auricularis Puffinus_nativitatis 1 (2,3,1)
Puffinus_tenuirostris Puffinus_griseus Puffinus_gravis 2 (10,11,12)
Puffinus_tenuirostris Puffinus_griseus Puffinus_bulleri 2 (10,11,14)
Puffinus_tenuirostris Puffinus_griseus Puffinus_creatopus 2 (10,11,16)
Puffinus_tenuirostris Puffinus_gravis Puffinus_bulleri 2 (10,12,14)
Puffinus_tenuirostris Puffinus_gravis Puffinus_creatopus 2 (10,12,16)
Puffinus_tenuirostris Puffinus_bulleri Puffinus_creatopus 2 (10,14,16)
Puffinus_griseus Puffinus_gravis Puffinus_bulleri 2 (11,12,14)
Puffinus_griseus Puffinus_gravis Puffinus_creatopus 2 (11,12,16)
Puffinus_griseus Puffinus_bulleri Puffinus_creatopus 2 (11,14,16)
Puffinus_gravis Puffinus_bulleri Puffinus_creatopus 2 (12,14,16)
Puffinus_tenuirostris Puffinus_griseus Puffinus_nativitatis 1 (10,11,1)
Puffinus_nativitatis Puffinus_auricularis Puffinus_griseus 1 (1,3,11)
Puffinus_auricularis Puffinus_griseus Fulmarus_glacialis 1 (3,11,0)
Pseudobulweria_aterrima Pseudobulweria_rostrata Calonectris_diomedea 1 (23,24,22)
Calonectris_diomedea Puffinus_pacificus Pseudobulweria_rostrata 1 (22,13,24)
Fulmarus_glacialis Macronectes_giganteus Pagodroma_nivea 1 (0,26,25)
Puffinus_pacificus Pseudobulweria_rostrata Bulweria_bulwerii 1 (13,24,20)
Bulweria_bulwerii Procellaria_cinerea Pseudobulweria_rostrata 1 (20,21,24)
Pagodroma_nivea Macronectes_giganteus Procellaria_cinerea 1 (25,26,21)
Procellaria_cinerea Pseudobulweria_rostrata Macronectes_giganteus 1 (21,24,26)
Pterodroma_nigripennis Pterodroma_baraui Pseudobulweria_rostrata 1 (27,28,24)
Pseudobulweria_rostrata Macronectes_giganteus Pterodroma_baraui 1 (24,26,28)
Macronectes_giganteus Pterodroma_baraui Pelecanoides_urinatrix 1 (26,28,19)
Pelecanoides_urinatrix Pterodroma_baraui Diomedea_exulans 1 (19,28,17)
Diomedea_exulans Oceanodroma_leucorhoa Pterodroma_baraui 1 (17,18,28)
 time: 203 nodes: 23