Bridge Of Khazad-dum Introv2

1|--------------1-3--4--3--1----1-3-1-----------------1-3-4-3-4-6-4-6-8-|

2|-1---------1-------4--------4-------4-3--1------1-1-----4-----6-----8-|

3|-0---3-3---0-------5--------5-------5----0--3-3-0-0-----5-----7-----9-|

4|-2---4-4---2----------------6-------6----2--4-4-2-2-------------------|

5|-3---4-4---3-----------------------------3--4-4-3-3-------------------|

6|----------------------------------------------------------------------|