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              I    I     EVERGREEN    I         ___________     .. _______  
--------------I_  _I------------------I_     ___IooI= = ===~~~~~``~======I   
-------------/_I__I \----------------/ I__ I_II_I__I---______NS_____=_=_=I_I 
--------------~o==o~----------------~o==o'~`-'O==O==O~===========~O==O==O`-'~