Arbitrary structure
Shape: (8, 8, 4, 8, 8)
Edges: [(1, 2), (2, 3), (3, 4), (4, 5)]
Ranks: [8, 8, 8, 8]

Original: 16384
Tensor Network: 1408
CR: 11.636363636363637
Rel Error: 0.12995691281087263
Iters: 200
Time: 3.46s
