0 1 : "../components/ext_2G4_channel_multiatt/test/path0_1.txt"
1 0 : "../components/ext_2G4_channel_multiatt/test/path1_0.txt"
2 0 : "../components/ext_2G4_channel_multiatt/test/path2_0.txt"
0 2 : "../components/ext_2G4_channel_multiatt/test/path2_0.txt"
4 0 : 20 #an inexistant path
1 2 : 0
#path 2 1 is left to default