Colour Scheme an

 

an000:          
west north east south up down
           
an001:          

west

north east south up down
           
an002:          

west

north east south up down
           
an003:          

west

north east south up down
           

an004:

         
west north east south up down
           
an005:          
west north east south up down
           
an006:          
west north east south up down
           
an007:          
west north east south up down

 

Matching Tiles