	A₁	A₂	…	A_m
O₁	R₁₁ (t₁₁, i₁₁, f₁₁, l₁₁)	R₁₂ (t₁₂, i₁₂, f₁₂, l₁₂)	…	R_1m (t_1m, i_1m, f_1m, l_1m)
O₂	R₂₁ (t₂₁, i₂₁, f₂₁, l₂₁)	R₂₂ (t₂₂, i₂₂, f₂₂, l₂₂)	…	R₂₃ (t_2m, i_2m, f_2m, l_2m)
…
O_n	R_n1 (t_n1, i_n1, f_n1, l_n1)	R_n2 (t_n2, i_n2, f_n2, l_n2)	…	R_nm (t_nm, i_nm, f_nm, l_nm)