Donut making things

If you've bought 30 Mr. Burns Mystery Boxes you should have increased by roughly 10% depending on your pattern.

Burns' Mystery Boxes pay out:

• K: Khlav Kalash stand
  
• M: Minnow Pond
  
• S: Bomb Shelter
  
• O: Chalmers' _Onda
  
• 3: 30 Donuts
  
• 1: 10 Donuts
  
• B: Itchy & Scratchy Billboard (1%)
  
• V: News Van (2%)
  
• L: Lard Lads Donut Shop (premium 4 hour building)
  
• X: pattern skip place holder
  

There are 2 known patterns. The primary one goes like this:

• K M S O 3 X V L
  
• K X S O 1 B V X
  
• K M S O 3 X V L
  
• K X S O 1 B V X
  
• K M S O 3 X V L
  
• K M X O 1 B V X
  
• K M S O 3 B X L
  
• K M X O 1 B V X
  
• K M S O 3 B X L
  
• K M X O 1 B V L
  
• X M S O 3 B V X
  
• K M S X 1 B V L
  
• X M S O 3 B V X
  
• K M S X 1 B V L
  
• X M S O 1 B V X
  

The secondary goes like this:

• B 1 M L B O M L B O M V 3 S K V 3 S K V 1 S K
  
• B O M L B O M L B O M V 3 S K V 1 S K V 1 S K
  
• B O M L B O M L B O M V 3 S K V 1 S K V 1 S K
  
• B O M L B O M L B O M V 3 S K V 1 S K V 1 S K
  
• B O M L B O M L B O M V 3 S K V 1 S K V 1 S K
  
• B O M L B O M L 3 O M V 3 S K V 1 S K B 1 S K
  
• B O M L B O M V 3 O M V 3 S K V 1 S K B 1 S L
  
• B O M L B O M V 3 O K V 3 S K V 1 S K B 1 M L
  
• B O M L B O M V 3 S K V 3 S K V 1 S K B 1 M L
  
• B O M L B O M V 3 S K V 3 S K V 1 S K X X X X
  

Mind you, those are only parts of the patterns. The complete patterns are much, much longer but nearly identical.
There are also 5 unique items you can get from the Burns Box:

• Tire Fire
  
• Blue Haired Lawyer
  
• Lemon Tree
  
• Squeaky Voiced Teen
  
• Kearney