Multipartite unextendible entangled basis

The unextendible entangled basis with any arbitrarily given Schmidt number k (UEBk) in $${\mathbb {C}}^{d_1}\otimes {\mathbb {C}}^{d_2}$$Cd1?Cd2 is proposed in Guo and Wu (Phys Rev A 90:054303, 2014), $$1