OA(24,12,2,3)

λ = 3, 1 / 50

d(C) = 6

ρ(C) ≤ 4

After reduction: 1 / 5

d(C) = 6

ρ(C) ≤ 4

↙    ↘

OA(12,11,2,2)

λ = 3, 1 / 58

d(C) = 6

ρ(C) ≤ 5

OA(12,11,2,2)

After reduction: 1 / 8

d(C) = 6

ρ(C) ≤ 5

After reduction: 1 / 8

  ↙    ↘   

   ↙    ↘  

OA(6,10,2,1)

λ = 3, 121 / 338

1 ≤ d(C) ≤ 6

ρ(C) ≤ 5

OA(6,10,2,1)

OA(6,10,2,1)

OA(24,11,2,3)

λ = 3, 1 / 35

d(C) = 5

ρ(C) ≤ 3

After reduction: 1 / 4

d(C) = 5

ρ(C) ≤ 3

↙    ↘

OA(12,10,2,2)

λ = 3, 1 / 46

d(C) = 5

ρ(C) ≤ 4

OA(12,10,2,2)

After reduction: 1 / 8

d(C) = 5

ρ(C) ≤ 4

After reduction: 1 / 8

  ↙    ↘   

   ↙    ↘  

OA(6,9,2,1)

λ = 3, 88 / 227

1 ≤ d(C) ≤ 5

ρ(C) ≤ 4

OA(6,9,2,1)

OA(6,9,2,1)

OA(24,10,2,3)

λ = 3, 3 / 35

3 ≤ d(C) ≤ 4

ρ(C) ≤ 3

After reduction: 1 / 5

d(C) = 4

ρ(C) ≤ 3

↙    ↘

OA(12,9,2,2)

λ = 3, 2 / 36

3 ≤ d(C) ≤ 4

ρ(C) ≤ 3

OA(12,9,2,2)

After reduction: 1 / 13

d(C) = 4

ρ(C) ≤ 3

After reduction: 1 / 13

  ↙    ↘   

   ↙    ↘  

OA(6,8,2,1)

λ = 3, 63 / 151

1 ≤ d(C) ≤ 4

ρ(C) ≤ 4

OA(6,8,2,1)

OA(6,8,2,1)

OA(24,9,2,3)

λ = 3, 2 / 22

3 ≤ d(C) ≤ 4

ρ(C) ≤ 3

After reduction: 1 / 7

d(C) = 3

ρ(C) ≤ 3

↙    ↘

OA(12,8,2,2)

λ = 3, 3 / 29

3 ≤ d(C) ≤ 4

ρ(C) ≤ 2

OA(12,8,2,2)

After reduction: 2 / 18

d(C) = 3

ρ(C) ≤ 3

After reduction: 2 / 18

  ↙    ↘   

   ↙    ↘  

OA(6,7,2,1)

λ = 3, 43 / 94

1 ≤ d(C) ≤ 4

ρ(C) ≤ 3

OA(6,7,2,1)

OA(6,7,2,1)

OA(24,8,2,3)

λ = 3, 4 / 18

2 ≤ d(C) ≤ 3

ρ(C) ≤ 2

After reduction: 2 / 7

2 ≤ d(C) ≤ 3

ρ(C) ≤ 2

↙    ↘

OA(12,7,2,2)

λ = 3, 3 / 20

2 ≤ d(C) ≤ 4

ρ(C) ≤ 2

OA(12,7,2,2)

After reduction: 3 / 14

2 ≤ d(C) ≤ 4

ρ(C) ≤ 2

After reduction: 3 / 14

  ↙    ↘   

   ↙    ↘  

OA(6,6,2,1)

λ = 3, 29 / 58

1 ≤ d(C) ≤ 3

ρ(C) ≤ 3

OA(6,6,2,1)

OA(6,6,2,1)

OA(24,7,2,3)

λ = 3, 4 / 12

1 ≤ d(C) ≤ 2

ρ(C) ≤ 2

After reduction: 2 / 4

1 ≤ d(C) ≤ 2

ρ(C) = 1

↙    ↘

OA(12,6,2,2)

λ = 3, 5 / 17

1 ≤ d(C) ≤ 3

ρ(C) ≤ 2

OA(12,6,2,2)

After reduction: 4 / 11

1 ≤ d(C) ≤ 3

ρ(C) ≤ 2

After reduction: 4 / 11

  ↙    ↘   

   ↙    ↘  

OA(6,5,2,1)

λ = 3, 18 / 32

1 ≤ d(C) ≤ 3

ρ(C) ≤ 2

OA(6,5,2,1)

OA(6,5,2,1)

OA(24,6,2,3)

λ = 3, 5 / 9

1 ≤ d(C) ≤ 2

ρ(C) = 1

After reduction: 3 / 6

1 ≤ d(C) ≤ 2

ρ(C) = 1

↙    ↘

OA(12,5,2,2)

λ = 3, 5 / 12

1 ≤ d(C) ≤ 2

ρ(C) ≤ 2

OA(12,5,2,2)

After reduction: 4 / 10

1 ≤ d(C) ≤ 2

ρ(C) ≤ 2

After reduction: 4 / 10

  ↙    ↘   

   ↙    ↘  

OA(6,4,2,1)

λ = 3, 11 / 18

1 ≤ d(C) ≤ 2

ρ(C) ≤ 2

OA(6,4,2,1)

OA(6,4,2,1)

OA(24,5,2,3)

λ = 3, 3 / 5

d(C) = 1

ρ(C) = 1

After reduction: 2 / 3

d(C) = 1

ρ(C) = 1

↙    ↘

OA(12,4,2,2)

λ = 3, 3 / 6

d(C) = 1

ρ(C) = 1

OA(12,4,2,2)

After reduction: 3 / 5

d(C) = 1

ρ(C) = 1

After reduction: 3 / 5

  ↙    ↘   

   ↙    ↘  

OA(6,3,2,1)

λ = 3, 5 / 7

d(C) = 1

ρ(C) = 1

OA(6,3,2,1)

OA(6,3,2,1)

OA(24,4,2,3)

λ = 3, 3 / 4

d(C) = 1

ρ(C) = 1

↙    ↘

OA(12,3,2,2)

λ = 3, 3 / 4

d(C) = 1

ρ(C) = 1

OA(12,3,2,2)

  ↙    ↘   

   ↙    ↘  

OA(6,2,2,1)

λ = 3, 3 / 4

d(C) = 1

ρ(C) = 1

OA(6,2,2,1)

OA(6,2,2,1)

OA(24,3,2,3)

λ = 3, 1 / 1

d(C) = 1

ρ(C) = 0

↙    ↘

OA(12,2,2,2)

λ = 3, 1 / 1

d(C) = 1

ρ(C) = 0

OA(12,2,2,2)

  ↙     ↘   

   ↙     ↘  

OA(6,1,2,1)

λ = 3, 1 / 1

d(C) = 1

ρ(C) = 0

OA(6,1,2,1)

OA(6,1,2,1)