||--3----3---1---3------
||--5----3---1---3------
||--5----4---2---4------
||--5----5---3---5------
||--3----5---3---5------
||-------3---1---3------
||--3---3----3----3---------
||--1---3----1----3---------
||--0---0----2----0---------
||--2---0----3----0---------
||--3---2----x----2---------
||------3----1----3---------
||------3----3----3---------
||--1---3----1----3---------
||--2---0----2----0---------
||--2---0----3----0---------
||--0---2----x----2---------
||------3----1----3---------
||-----------3--------------------------3----------------------
||-----------1-----------3--------------1------------3---------
||-------0---------------0-----------2---------------0---------
||----2---------------0-----------3---------------0------------
||--3--------------2---------------------------2----------------
||---------------3--------------1-----------3-------------------
||-----------0--------------------------3----------------------
||-----------1-----------3--------------1------------3---------
||-------2---------------0-----------2---------------0---------
||----2---------------0-----------3---------------0------------
||--0--------------2---------------------------2----------------
||---------------3--------------1-----------3-------------------