OA.8.7.2.2


OA(8,7,2,2)
λ = 2, 1 / 8
d(C) = 4
ρ(C) ≤ 3
After reduction: 1 / 4
d(C) = 4
ρ(C) ≤ 3
↙    ↘
OA(4,6,2,1)
λ = 2, 7 / 18
1 ≤ d(C) ≤ 4
ρ(C) ≤ 3
OA(4,6,2,1)


OA(8,6,2,2)
λ = 2, 1 / 5
d(C) = 3
ρ(C) ≤ 2
After reduction: 1 / 3
d(C) = 3
ρ(C) ≤ 2
↙    ↘
OA(4,5,2,1)
λ = 2, 5 / 12
1 ≤ d(C) ≤ 3
ρ(C) ≤ 2
OA(4,5,2,1)


OA(8,5,2,2)
λ = 2, 1 / 3
d(C) = 2
ρ(C) = 1
After reduction: 1 / 3
d(C) = 2
ρ(C) = 1
↙    ↘
OA(4,4,2,1)
λ = 2, 4 / 8
1 ≤ d(C) ≤ 2
ρ(C) ≤ 2
OA(4,4,2,1)


OA(8,4,2,2)
λ = 2, 2 / 4
1 ≤ d(C) ≤ 2
ρ(C) = 1
After reduction: 2 / 4
1 ≤ d(C) ≤ 2
ρ(C) = 1
↙    ↘
OA(4,3,2,1)
λ = 2, 3 / 5
1 ≤ d(C) ≤ 2
ρ(C) = 1
OA(4,3,2,1)


OA(8,3,2,2)
λ = 2, 2 / 3
d(C) = 2
ρ(C) = 1
↙    ↘
OA(4,2,2,1)
λ = 2, 2 / 3
d(C) = 2
ρ(C) = 1
OA(4,2,2,1)


OA(8,2,2,2)
λ = 2, 1 / 1
d(C) = 1
ρ(C) = 0
↙    ↘
OA(4,1,2,1)
λ = 2, 1 / 1
d(C) = 1
ρ(C) = 0
OA(4,1,2,1)