xx xx 3
l
YY + + + +
++++++++++/ ++++ X@ x / / .
@
@@ xxx .. .. ..
++++++++x1x++x9x+x4x+xox
o/ d o/ o/ o/
TTTTTT / TTTTTTTTTTTTT/ TTTTTTTTTTTTTTTTTTTTTTT lTTTTT
TTTTdTTTTTTTTT TTTTTTTTTTTTTTTTTTTTT X !TTxz
/ / o / / //
oo oo oo