Step 1

Starting position

Step 2

Option 1: (outcome A) #4 cuts open side, gets the disc

Step 3

Option 1: (outcome B) #4 cuts open side, does not get the disc

Step 4

Option 1: (outcome B) #4 clears, #3 gets the reset.

Step 5

Starting position

Step 6

Option 2: (outcome A) #4 cuts deep, gets the disc

Step 7

Option 2: (outcome B) #4 cuts deep, does not get the disc

Step 8

Option 2: (outcome B) #3 gets the reset

Step 9