. 0 1 8888888888
* 1
y 0 1 8808888888
*! 3
-x 0 9 8888888888
*- 3
- 8 1 8888888888
*- -
 7 1 8888888888
*- 1
 0 1 8888888888
* *
 0 1 8886888887
*- -
x 1 8 8888888888
* 