Figure 3

Example of SEOTG with (Σ,Γ,S,Δ). Σ indicates a set of terminal symbols, Γ indicates a set of nonterminal symbols S,U 1,U 2,A 1,A 2,B, and Δ indicates the set of six production rules, R 1,⋯,R 6.
Example of SEOTG with (Σ,Γ,S,Δ). Σ indicates a set of terminal symbols, Γ indicates a set of nonterminal symbols S,U 1,U 2,A 1,A 2,B, and Δ indicates the set of six production rules, R 1,⋯,R 6.