Fiber!(SparseCOO{2}(Element(0)) moves:
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int64[2, 1, 1, 2, 2, 1, 1, 3], Int64[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, ForceCopyArray{Float64, 1}}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int64[2, 1, 1, 2, 2, 1, 1, 3], Int64[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, NoCopyArray{Float64, 1}}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int64[2, 1, 1, 2, 2, 1, 1, 3], Int64[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int64[2, 1, 1, 2, 2, 1, 1, 3], Int64[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int16[2, 1, 1, 2, 2, 1, 1, 3], Int16[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, ForceCopyArray{Float64, 1}}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int16Int16[2, 1, 1, 2, 2, 1, 1, 3], Int16Int16[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, NoCopyArray{Float64, 1}}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int16Int16[2, 1, 1, 2, 2, 1, 1, 3], Int16Int16[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int16[2, 1, 1, 2, 2, 1, 1, 3], Int16[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([]), (3, 7), (Int64[], Int64[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, ForceCopyArray{Float64, 1}}([]), (3, 7), (Int64Int64[], Int64Int64[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, NoCopyArray{Float64, 1}}([]), (3, 7), (Int64Int64[], Int64Int64[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([]), (3, 7), (Int64[], Int64[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([]), (3, 7), (Int16[], Int16[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, ForceCopyArray{Float64, 1}}([]), (3, 7), (Int16Int16[], Int16Int16[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, NoCopyArray{Float64, 1}}([]), (3, 7), (Int16Int16[], Int16Int16[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([]), (3, 7), (Int16[], Int16[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([]), (0, 0), (Int64[], Int64[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, ForceCopyArray{Float64, 1}}([]), (0, 0), (Int64Int64[], Int64Int64[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, NoCopyArray{Float64, 1}}([]), (0, 0), (Int64Int64[], Int64Int64[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([]), (0, 0), (Int64[], Int64[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([]), (0, 0), (Int16[], Int16[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, ForceCopyArray{Float64, 1}}([]), (0, 0), (Int16Int16[], Int16Int16[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, NoCopyArray{Float64, 1}}([]), (0, 0), (Int16Int16[], Int16Int16[], ), [1, 1]))
initialized fiber: Fiber(SparseCOO{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64, Int64, Vector{Float64}}([]), (0, 0), (Int16[], Int16[], ), [1, 1]))

