#R
 -8 -10
 -7 -10
 -6 -10
-10  -8
 -4  -8
  7  -8
-10  -7
 -4  -7
 -2  -7
 -1  -7
  0  -7
  7  -7
-10  -6
 -4  -6
  7  -6
 -8  -4
 -7  -4
 -6  -4
  9  -2
  9  -1
  9   0
  8   7
  9   7
 10   7
 -5   8
 -5   9
  2   9
  3   9
  4   9
 -5  10
