Stored rows [start, stop) of an axis-0 Trellis projection (input features of a down projection): 2D codes slice to a view; block-interleaved 3D codes [groups, rows, words] slice their middle axis (kernels copy that view).
Stored rows [start, stop) of an axis-0 Trellis projection (input features of a down projection): 2D codes slice to a view; block-interleaved 3D codes [groups, rows, words] slice their middle axis (kernels copy that view).