3
1 0 2
##start
#dd
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#dsdsdsdsd
0 2 0
##end
##sjsjsjjds
#sjdsjdsjs
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#sjsjss
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#sjsjdsjsdh
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4 2 6
2 4 2
#comment
#comment
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3 4 4
#comment
#comment
##nothing
#comming
#asazii
0-1
#hellow
##42 ecole
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0-2
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#comment
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2-3
##kkkk
#kkklkk
#sdedfdds
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3-4
#cooment
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##starrtt
4-1

1-2
0-2