--------------------------------------------------------
-1-1-1---2-2-2---1-1-1------------1-1-1-------
--------------------------------3-3-3----------------
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
-2-2-2---1-1-1----------1-----1-1-1----1-1----
--------------------3-3-3-----3----------3-------1-
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
-------1-1-1---1-1--------------1--2--1---2--1-
-1--3--------3-------3-1-1---3-----------1------1
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
-------------------------------------------------------
------1-----------1-1-1----1--1----------------1-1
-1-3----3-----3---------3--------3-1-1----3------
-------------3-----------------------------------------
--------------------------------------------------------
--------------------------------------------------------
-------------------------------------------------------
-4-2-1--1--------------1-2--1-------2--1--------
-------------3-1-1---3----------1--1--------1--1-
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
------------------1------------------------------------
------1----2--------4-2-1---------------------------
-3------3-----1----------------3-1-0---------------
--------------------------------------------3-1-3----
--------------------------------------------------------
--------------------------------------------------------
-1--1---------------------------------------------1--
--------4-2-1-----1-------------------1-4---1-----
------------------------3-1-3------------------------
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
----------------------------------------------
-1-------1--1-1--------------------1-1--
----3--1----------3-3-3-1-3-3----------
----------------------------------------------
----------------------------------------------
----------------------------------------------
---------------------------------1-----1-----------
--------------------1-1--4--1-----1---1-------1
-3-3-3--1-3-3---------------------------3--1--
-----------------------------------------------------
-----------------------------------------------------
-----------------------------------------------------
--------------------------------------------------------
-1-1----------------------1-1------------------------
--------3-3-3--1-3-3-----------3-3-3--1-3-3---
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
------------4---3--1-------------------------4---
-1-1-2-4--------------4--1-----1-1-2-4------
-----------------------------------------------------
-----------------------------------------------------
-----------------------------------------------------
-----------------------------------------------------
-----------------------------------------------------
-3--1------------------------------------------------
---------4--1-1---1----------1-1-1-1---1--------
-----------------------3-----3------------3---3-1-1
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
--------------------------------------------------------
