#  graham_19.txt
#
#  19 (integer coordiantes) points in [-5,7] by [-2,5]
#
 3   3
 3   5
 0   1
 2   5
-2   2
-3   2
 6   5
-3   4
-5   2
-5  -1
 1  -2
-3  -2
 4   2
 5   1
-5   1
 3  -2
 0   5
 0   0
 7   4