--------------------
-1-1-1-1-1-1-1-1-1--
--------------------
-1-1---1-1-1---1-1--
--------------------
-1-1---1-1-1---1-1--
--------------------
-1-1---1-1-1---1-1--
--------------------
-1-1---1-1-1---1-1--
--------------------
-1-1-1-1-1-1-1-1-1--
--------------------
--------------------
!
--------------------
----1-1-----1-1-----
--1-----1-1-----1---
--------------------
-1-1---1-1-1---1-1--
--------------------
--1-----1-1-----1---
--------------------
-1-1---1-1-1---1-1--
--------------------
--1-----1-1-----1---
----1-1-----1-1-----
--------------------
--------------------
!
--------------------
-----1-------1------
---------1----------
--------------------
--1-----1-1-----1---
--------------------
---------1----------
--------------------
--1-----1-1-----1---
--------------------
---------1----------
-----1-------1------
--------------------
--------------------
!
--------------------
-----1-------1------
--------------------
---------1----------
--1-------------1---
--------------------
---------1----------
--------------------
--1-------------1---
---------1----------
--------------------
-----1-------1------
--------------------
--------------------
!