@fiber(sl(rl(zero)) representation:

array: [0.0 0.0 0.0 0.0 0.0; 0.0 0.0 0.0 0.0 0.0; 0.0 0.0 0.0 0.0 0.0; 0.0 0.0 0.0 0.0 0.0; 0.0 0.0 0.0 0.0 0.0]
fiber: Fiber(SparseList{Int64, Int64}(RepeatRLE{0.0, Int64, Int64, Float64}(5, [1], [], []), 5, [1, 1], []))
array: [1.0 1.0 1.0 1.0 1.0; 1.0 1.0 1.0 1.0 1.0; 1.0 1.0 1.0 1.0 1.0; 1.0 1.0 1.0 1.0 1.0; 1.0 1.0 1.0 1.0 1.0]
fiber: Fiber(SparseList{Int64, Int64}(RepeatRLE{0.0, Int64, Int64, Float64}(5, [1, 3, 5, 7, 9, 11], [5, 5, 5, 5, 5, 5, 5, 5, 5, 5], [1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0]), 5, [1, 6], [1, 2, 3, 4, 5]))
array: [0.0 1.0 2.0 2.0; 0.0 0.0 0.0 0.0; 1.0 1.0 2.0 0.0; 0.0 0.0 0.0 0.0]
fiber: Fiber(SparseList{Int64, Int64}(RepeatRLE{0.0, Int64, Int64, Float64}(4, [1, 4, 8, 12, 14], [2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 4], [0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 0.0, 2.0, 0.0, 2.0, 0.0, 2.0, 0.0]), 4, [1, 5], [1, 2, 3, 4]))

