expected to be confining (only colorless hadrons can be excited as particles) while the RHS one (crossed orthogonal field) supports the color charged quasiparticles as the elementary excitations. It is expected that the RHS configuration can be triggered by external electromagnetic fields  [@NG2011-1; @D'Elia:2012zw; @Bali:2013esa]. Strong electromagnetic fields emerge in relativistic heavy ion collisions [@Skokov:2009qp; @toneev; @Warringa]. Even after switching off the external electromagnetic field the nearly pure chromomagnetic vacuum configuration (RHS Fig.\[Fig:kink\_network\]) can support strong anisotropies [@Tuchin:2013ie] and, in particular, influence the chiral symmetry realization in the collision region [@Fukushima:2012kc]. More detailed consideration of the spectrum of elementary color charged excitations at the domain wall junctions (the green regions) is given in the section \[trap\].

A comment on representation of the domain wall network in terms of the vector potential is in order. The domain wall network constructed in this section relies on the separation of the Abelian part from the general gauge field. The vector potential representation can be easily realized for the planar Bloch domain wall and their layered superposition, Fig. \[Fig:layered\]. The same is true also for the interior of a thick domain wall junction, where field is almost homogeneous. The description of the domain walls 