1:  5 4 3 2
2:  6 1
3:  6 4 1
4:  6 3 1
5:  6 1
6:  5 4 3 2

Paths from 1 to 1:
{ 1 }

Paths from 1 to 2:
{ 1 5 6 2 }
{ 1 4 6 2 }
{ 1 4 3 6 2 }
{ 1 3 6 2 }
{ 1 3 4 6 2 }
{ 1 2 }

Paths from 1 to 3:
{ 1 5 6 4 3 }
{ 1 5 6 3 }
{ 1 4 6 3 }
{ 1 4 3 }
{ 1 3 }
{ 1 2 6 4 3 }
{ 1 2 6 3 }

Paths from 1 to 4:
{ 1 5 6 4 }
{ 1 5 6 3 4 }
{ 1 4 }
{ 1 3 6 4 }
{ 1 3 4 }
{ 1 2 6 4 }
{ 1 2 6 3 4 }

Paths from 1 to 5:
{ 1 5 }
{ 1 4 6 5 }
{ 1 4 3 6 5 }
{ 1 3 6 5 }
{ 1 3 4 6 5 }
{ 1 2 6 5 }

Paths from 1 to 6:
{ 1 5 6 }
{ 1 4 6 }
{ 1 4 3 6 }
{ 1 3 6 }
{ 1 3 4 6 }
{ 1 2 6 }
