Add graph example for bonus assignment

Author: stef4k

bonus-assignment/points4.txt

@@ -0,0 +1,40 @@
+s1 (2, 1)
+s2 (9, 10)
+s3 (7, 0)
+s4 (3, 7)
+s5 (1, -2)
+s6 (4, -7)
+s7 (2, -10)
+s8 (-3, 0)
+s9 (-6, 2)
+s10 (-4, 9)
+s11 (-8, 12)
+s12 (-4, -3)
+s13 (-5, -10)
+s14 (-9, -2)
+s15 (0, 12)
+s16 (-1, -7)
+s17 (6, 10)
+s18 (9, -11)
+s19 (-8, -7)
+s20 (-7, 7)
+s21 (-14, 9)
+s22 (-19, -15)
+s23 (0, 29)
+s24 (11, -20)
+s25 (-10, -19)
+s26 (11, 19)
+s27 (0, -19)
+s28 (-15, 15)
+s29 (30, 7)
+s30 (-18, 1)
+s31 (4, 3)
+s32 (-9, -1)
+s33 (11, -14)
+s34 (-10, 13)
+s35 (20, -1)
+s36 (12, -3)
+s37 (9, -19)
+s38 (11, 22)
+s39 (-12, 29)
+s40 (1, -30)