00000_____00000
___________0000________________0000
________00_________________________00
______0_______________________________0
____0__00000___00000___________________0
___0__0000000_0000000___________________0
__0___000000000000000__000000000000000___0
_0_____0000000000000____0000000000000_____0
00______00000000000_______________________00
0_________0000000__________________________0
0___________000____________________________0
0____________0_____________________________0
0___________________________________________0
0__________________________________________0
0__________________________________________0
_0___________000____________000___________0
__0____________00000000000000____________0
___00____________000____000____________00
_____0_____________000000____________0
_______00__________________________