OA(27,4,3,3)

λ = 1, 1 / 2

d(C) = 2

ρ(C) = 1

↙    ↘

OA(9,3,3,2)

λ = 1, 1 / 2

d(C) = 2

ρ(C) = 1

OA(18,3,3,2)

λ = 2, 2 / 3

d(C) = 1

ρ(C) = 1

  ↙    ↘   

   ↙    ↘  

OA(3,2,3,1)

λ = 1, 1 / 2

d(C) = 2

ρ(C) = 1

OA(6,2,3,1)

λ = 2, 2 / 3

d(C) = 1

ρ(C) = 1

OA(12,2,3,1)

λ = 4, 4 / 5

d(C) = 1

ρ(C) = 1

OA(27,3,3,3)

λ = 1, 1 / 1

d(C) = 1

ρ(C) = 0

↙    ↘

OA(9,2,3,2)

λ = 1, 1 / 1

d(C) = 1

ρ(C) = 0

OA(18,2,3,2)

λ = 2, 1 / 1

d(C) = 1

ρ(C) = 0

  ↙    ↘   

   ↙    ↘  

OA(3,1,3,1)

λ = 1, 1 / 1

d(C) = 1

ρ(C) = 0

OA(6,1,3,1)

λ = 2, 1 / 1

d(C) = 1

ρ(C) = 0

OA(12,1,3,1)

λ = 4, 1 / 1

d(C) = 1

ρ(C) = 0