layer 2
rel top_0rme1 -top_2j_c 0 -37
-part top_2j pt_peco_ll c
+part top_2j pt_pecofguess_ll c
join top_2lk -top_2j_b 600
extend top_2j_a -top_34jx_tr len 50
-part top_34jx cross_peco_l tr
+part top_34jx cross_pecof_l tr
join top_3lk top_34jx_br 450
join top_45x_tr top_34jx_bl 600
extend top_34jx_tl top_3j3 len 30 -700
extend top_3j3 -top_3j_b len 30 800
-part top_3j pt_peco_ll b
+part top_3j pt_pecofguess_ll b
extend -rim_3t -rim_3tt ang 45 -389