case 1:
---
(2, 1, 8)
[[[0 1 2 3 4 5 6 7]]

 [[0 1 2 3 4 5 6 7]]]
---
(1, 1, 8)
[[[0 1 2 3 4 5 6 7]]]
---
(1, 8)
[[0 1 2 3 4 5 6 7]]
---
(1, 1, 8)
[[[0 1 2 3 4 5 6 7]]]
---
(1, 8)
[[0 1 2 3 4 5 6 7]]
case 2:
---
(3, 2)
[[ 1  2]
 [15 16]
 [29 30]]