1----------------------------------------------
2----------------------------------------------
3----------------------------------------------
4------------1/2-------------1/2-----2/1-------
5------4/5--------4/5-----------------------5/4
6----------------------------------------------
1----------------------------------------------------------------
2----------------------------------------------------------------
3-------------------------------------5/4--------4/2-----2/0-----
4------1/2----4/5-----1/2-------4/5--------2/5--------------2/0/2
5--4/5-----------------------------------------------------------
6----------------------------------------------------------------
1--------------------------------------------------------
2-----------------------------------------------------5/4
3----------------------------------------5/4-----4-------
4--------1/2-----4/5-----1/2-------4/5---------5---------
5--4/5---------------------------------------------------
6--------------------------------------------------------
1----------------------------------------------------------------
2----------------------------------------------------------------
3-------------------------------------5/4--------4/2-----2/0-----
4------1/2----4/5-----1/2-------4/5--------2/5--------------2/0/2
5--4/5-----------------------------------------------------------
6----------------------------------------------------------------
1--------------------------------------------------------------------
2---------------3/5-----3--------------------------------------------
3--------------------------4---2-----------3/2-3/2-3/2-3/2-2/0-------
4--------1/2----------------------5--2--------------------------2/0/2
5---4/5--------------------------------------------------------------
6--------------------------------------------------------------------