phosphorus                                 @                         ~ 0                         *                           ~ 0                          0                         /                           s                             0                          0                         c 0                          0                         #
 0"                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        M.K. d         0      P    <             <         0       <           0           0    p      <           0          <          <         0  @        <         0              0         <           0      P    <             <         0       <           0           0    p      <           0          <          <         0            < @      0              0  ,      <           0      P    <             <         0       <           0           0    p      <           0          <          <         0  @        <         0              0         <           0      P    <             <         0       <           0           0    p      <           0          <        <           > @        <       0           >       <  +3;AEOk~wsonlie`YUQLGC?:61,& º
!%)-279=@DGKNQUW[_cgimqsvy|~|zywtrqomliggdc`]YVSOLIFD@>;742/,*'# 
 	
 "$&(*,./134689;=??@BCEFGHJKLMOOQRSUVWWXYZ[]^__`aabcdeefgghhijjkkllmmnnnnnnnnnnmmllkkihggedca`_]\ZYWVTSQONMKIHGEDBA??=<:9764310/-,+)('%$" 	  	
 !!"#$$%&&''())*++,-../00123345677889:;;<=>???@AABCCDEEFGGGHHIJJKKLLMMNNOOOOOPPQQQQRRRSSTTUTUUUUUUUUVVVVVVVVVVWWWVWWWWWWWVVVVVVVVUUUUUTTTSSSRRRQPONNLKKJIGGFECCB@@?>=<;987653210/-,+*)'&%$#" 
		   	
 !!""#$$%%&&''(())**++,,--.///0111233455677899:;;<<=>>???@AABCCCDEEFGGGGHHIIJKKKLLMMMNNNOOOOOOOPPPQQPQQQQQRRRRRRSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSRRRRQQQQQQQPOOONMMLKKJIHGGFEDCBA@??><;;987654320/.-,+)('&%$#" 
	  		
 !!"###$$%&&'''(())**+++,,--..///0011233345567778899:;;<<==>????@@AAABCCCCDDEEEFFFGGGGGGHHHHIIIIIIJJJJJJJKKKKKKKKKKKKKKKKKKKKKKKKKKKJJIIIIIIIIIIHHHHHHGGGGGGFEEDDCCBA@@???>=<;::9876543310//..,+*)('&%$#! 
	  	

 !!!""###$$%%&&&''''(())**++,,,--.///001112333444556677778889999:::;;;;;<<<<<=======>>>>>>>>>?????????????????>>>>>>>>>>>>>>>=========<<<<<;;;;;:9988766554332110//.-,,+*)(('&%$##"! 
	    		

  !!!"""###$$%%%&&'''((())***+++,,,---....///000000111111222223333333333333333344344444444444434333333333333333333332222211111000///..--,,++**)((''&%%$##"!! 
		    	

   !!!"""####$$$%%%&&&&&''''''((((())))))))*********+++++++++++++++++++++++++++++++++*************))))))))((((''''&&&%%%$$##""!!  
		      			


     !!!!!!!"""""####################$###$#$$$$$$##$#######################""""""""!!!!!   

	    				




			      				







			          							









				          										













				                                           15:7'ټ?WhQ1$!&,몢"!'KSwz2$( 	%+ $(D$ 
			    	 

	

	   	
l:IǖaJ*"DHTߗ׹#8aJY1;8	4# 7>z-^v>ߕ&&D+/kyb7
 $FE1	?C"	
&2'
 
3   	 	   
   %*%;ֹ&9+2WO86D88ñK@!-
67K2ST½2GgWҮBX#9 Cd韥 3
"+3$4;'ž
1)( 		 		$G;#뀆&VAM>6;t|v_$辟 ʀe%ouYF>۫$4A^`>!0NR
ɀF -bIc.LhhڀOdC!)M@.*88.֦*ۢC,Ic8P73'8:CW0˹)=}z~Y
	Ԟ*]-2.(;C^ruࢩI=E)4GS;J4lhI/0鬫ΰ' R+ OStj?9	֔Ā55*&wujB*)eAo14l]N<𴢗)[=+A($=:(&J2A.L¦&Q玲F$#%ED7K9A *-FN%!043#'Ǥ4><,4LVA5(#ĩ6B!$( 82:?
6RNG 漷	9!+
#$
ڲ)ChW&#6F3$6/9'>AE,;,+P>ȫ,,0C/4ؿ
%QM<S) 1 8B	 1G(,6*ֺ 9\N=%0E	 "+'10$	59*	 #6+#(⹿ 
*&
4 
	
  #,0'""(0.$()	)*)#
	 
	#-		  ! *! 
 
	$ 

	 !"# 
	  
  	    


   
  

 

	
	
	
		  	  
  

   

		   

		
 	
	  

   	
		  

    	
	
 	                    		    
	              

  	


	
  		                        	

	                                                                  	        

	                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2H0,]8~HHr //# / +0_Pȋo0e@H ?	Rg ? @*
 p7Xf k _ ?@p g ? + @$1&O /`(+/ `' 8п ? 7 	 	0hp_ $"7($2@4P /  /hXP8_M@пk/P _  HXп/ P?
/@$<$4;+M( %Яp @/7 ) # @  /'N?,	

 ""
 4? 4 H'' 82
@ 6*& +6J 
#0# 008] 0-, 	 @  8

&0(	  ,),
  
$ ) 	   
    $ 
  
 
		     	   		 
  
        
	              	
     	       	                                                                                                                                                                                                                       1+5ـ/Yϫu-?+3C)+aYSMYaOukC?c υ %	9ۇ彉שEѹQcc)5_+U3A]	/i]eq'75;OG;%Eǥ-[53#/G57! K	QM%	A9O ;ӭ?3	%'/QQog+A'15%!!#-=U	!'7)EU-籍W3+%M3ۭͿ9!?/]?OI/?Q!ǻ	G 	QYQC	ӵ/#)E9A#ϗ! ;#M9S1?	)O7	G;IQ!=/7	 /); /)/7	!-ۻ?)/+ +!!	+;/	9'1E	 		#	+ i〟߫3+3UOQA=˓C;1)O)Ee۽7ei ɩ'Oc	-Ggs	%	 O5!)#_9%	ǽ-7/++	  !)a}1'燗3]7U-;Qk{_#é!	ۣw= #}}}}uWKG㳝+3'9_]C1aQ Y7UGqSE_oookWËπKc)+M317M)	 ե7G7-KY7QAK#'?9IM5#˿'7w_'	ǝ1i!	)-7OUei畝K;-)?Y5;3ms_?!1	 屧շ3K%MWs}oA;À  ?3%#w}sA%#a?o11kcI3ﵧ +[3'=! ;;)		E/A-G%S롫?#GC3K5=  )+EO%!1	31!%ɥ3=9)3KWA3%#é5?!	%517= 		3OME绷7)	! #	۳'AgU%!5E1#3-7%;?C)9))M;ǫ))-A-1 ׿ #OK9Q'/7A  /E'+5)׻ 7[M;# 	-C)% 	/-!37) !3)!%ṿ '		# 1 		  	!+/%!!	'/-#''			 ')'!	  		 !+  		  )  	 	  	# 			 !!    	     			 	      				    	  			   				 			    	  			    			      		 			  	  	  		    			    	 	    						     		   			                                                     		                          		     				                                             		                                                                                                                                     			                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               HCE_`TF@90!Ⱥ)9GWfvxiZJ<-ȸ+9GSao||pbUG;, /;GS_lwvk`SG;.!ɻ
%2>GS_is}zqg]RG<0$	ƹ)5?IS]gow|umd[QG=3(Ĺ	,7?HR[ckqw|{vphaYPG?5* 	ĺ$.7?GOX_fkqtxy{zywsojd^WOG?6-#ĺ&/8?GNU[`fjmopqpolie`[TMF?8/&ļ'/7?EKQW\_ceghhgfc_\WQKE?80( Ž(/7>CHNSW[]_```_][WSOIC>81*" 	!)/6<AFJOQUWXYYXWUSOKGB>82+$"(/5:?CGJMOQRSRQPNKHD@<72+%ľ").38=?CFHJLLMLKJGEB?;62,& ¾	"'-16:=?BDFGGGGEDB?=951,'!
!'+037:=?@ABCBA@?=:740,'" "&(+.0233444310/-+'%!
	 

			         KIwxsqvcWLB=."ɽ'3=GQ\gq}|peZOE;0%ƻ'3;CNWajs|xoe\SJA8/$Ƽ!+3=DLU]emu|yrjc[SKC<3*!¸&/7?ELS[agot{~ysmg`ZSLD>7/'
#*19?EKQW^chnrwz~}zvrmhc^XRLF@:3,$	&,39?DIOTY^cgknqsvwxyyyxwvtqnkgc_[VPKF@<60)" "'.39>CGKOTX\_begiklmmmlljhfda^[WRNJE@<72,&  ½#).38=?DGLORVX[]_`abbbba`_][XUROKHD@<83.)#
$).27;?AEGJMOQSUWWXYYXWWVSROMKHEB?<84/+&!¾ %)-158;?@CFGJKMNOOOOOOONLKHGDB?=:73/,(#¿ $(,/368;>?ACCEGGGHHHGGFEDBA?=:852/,($ 	 $'*-/135788:;<<;;;;;977652/.,*($" 	

  		








			             ?K[em|tjb[RH?6-#˾	!(/7>DKRZahow}}ung_XPIB;4,$%-3;@GNT[ahov{yslf_XRLE?82+$	%,39?DJOW]chnsy|wqlf`[UOIC>81+$%+17=AGMRW]bgmqv{~yuplga]WRLGB=71,&Ľ%+/5:?CINSW]afjnrwz}~zvrokgb^YTOJEA<72,'!	#)/38=AFJOSW[_cgkoquwz|}{xvspmifa^YUQMHD@<72-(#	#'-16:?BFINQUY]_cgiloqsuwxyz{||||{zyxwusqoligc`]ZVRNJGC?;72.)$
 þ	!&*/37;?BEIMOSVY\_bdghklnopqqrrqrqpoomkigfca_[XUROKHDA>:62.)% ¾
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