Easy
Medium
Difficult
Hard
Extreme!
100

2/4+1/4

3/4

100

15/30+10/30

25/30

100

200/300+50/300

250/300

100

29/45+6/45

25/45

100

57/230+92/230

149/230

200

3/6+2/6

5/6

200

5/9+4/9

1 or 9/9

200

47/50+2/50

49/50

200

6/30+19/30

25/30

200

50/100+51/100

1 1/100

300

4/10+5/10

9/10

300

6/8+1/6

7/8

300

59/100+32/100

91/100

300

36/50+9/50

45/50

300

11/10+5/10

1 6/10

400

8/20+2/20

10/20 or 1/2

400

20/40+13/40

33/40

400

91/200+9/200

100/200 or 1/2

400

52/90+31/90

83/90

400

10/10+10/10

2

500

6/20+8/20

14/20

500

30/50+20/50

1 or 50/50

500

6/80+13/80

19/80

500
69/100+8/100

77/100

500

20/20+20/20

2