3300.0																										x		X
3200.0																										X	O	X	O	x
3100.0																										X	O	X	O	X
3000.0																										X	o		O	X
2900.0																										X			o
2800.0	S																									X
2750.0	O	S																								X
2700.0	O		S			S																				X
2650.0	O			S		x	S																			X
2600.0	O				S	X	O	S										S								X
2550.0	O					X	O		S							X		X	S							X
2500.0	O					X	O			S						X	o	X	O	S						X
2450.0	O	x		X		X	O	x			S					X	o	X	O		S					X
2400.0	O	X	O	X	O	X	O	X	O			S				X	o	X	O	x		S				X
2350.0	O	X	O	X	O	X	O	X	O				S			X	o		O	x	O	x	S			X
2300.0	O	X	O	X	O		o		O					S		X			O	X	O	x	O	S		X
2250.0	O		o						O						S	X			O	X	O	X	O	X	S	X
2200.0									O							X			O	X	O	X	O	X	O	X
2150.0									O							X			O	X	o		O	X	O	X
2100.0									O							X			O	X			O	X	O	X
2050.0									O							X			O				O	X	O	X
2000.0									O	X						X							o		O	X				B
1950.0									O	X	O					X								B	O	X			B
1900.0									O	X	O	X		x		X							B		O	X		B
1850.0									o		O	X	O	X	O	X						B			O	X	B
1800.0											O	X	O	X	O	X					B				o	B
1750.0											O	X	o		O	X				B					B
1700.0											O	X			O	X			B
1650.0											O	X			O	X		B
1600.0											O	X			O	X	B
1550.0											o	X			O	B
1500.0											o				B