layer 8
#rel top_3lk top_45x_br 67 -39 -2.25
-rel top_3lk top_45x_br 22 -47 0
+
+#rel top_3lk top_45x_br 52 -47 0
+
#extend -top_45x_br -top_4le1 len 45 -600
layer s
extend -leb_4e top_4le0 ang 70 315
#join -leb_4e top_4le0 315
#352
-extend -top_45x_br -top_4le3 len 30 -1000
-extend -top_4le3 -top_4le2 len 30 -750
-extend -top_4le2 -top_4le1 len 30 -450
-join -top_4le1 -top_4le0 315 twoarcs
+#extend -top_4le3 -top_4le2 len 30 -750
+#extend -top_4le2 -top_4le1 len 30 -450
#join -top_45x_br -top_4le0 550 twoarcs
layer 2
layer 8
#extend top_5le top_5re0 len 30.0 315
-#extend top_5re0 top_45x_bl len 95 -750
+extend top_5le top_5re0 len 35.0 450
+extend top_5re0 top_45x_bl len 65 -1000
-part top_45x scis_pecof br
+part top_45x scis_pecof bl
+#part top_45x scis_pecof br
#join -top_45x_br -nr_top_45x_br 315
#join top_5re0 top_45x_bl 1200
-join top_5le top_45x_bl 500
+#join top_5le top_45x_bl 500
+
+extend -top_45x_br -top_4le3 len 90 -1000
+extend -top_4le3 -top_4le2 len 25 -800
+#join -top_4le1 -top_4le0 315 twoarcs
+extend -top_4le2 -top_4le1 len 10 -350
+join -top_4le1 -top_4le0 315
#---------- top main-line/station junction
layer 8
-extend top_45x_tr top_4j20 len 30 1000
-extend top_4j20 top_4j21 len 30 750
-extend top_4j21 top_4j22 len 30 450
+#rel top_45x_tr top_4j20_side_1 0 1 -90
+#rel top_45x_tr top_4j20_side_2 0 2 -90
+
+extend top_45x_tr top_4j22 len 180 1000
+#extend top_4j20 top_4j21 len 30 800
+#extend top_4j21 top_4j22 len 30 450
#extend top_45x_tr top_4j20 len 20 600
#extend top_4j20 top_4j21 len 40 1500
rel -top_0rm_a top_5j3b 0 -148
#extend top_45x_tl top_5j3a len 95 -1200
-join top_45x_tl top_5j3b 315 twoarcs
+#join top_45x_tl top_5j3b 315 twoarcs
+join top_45x_tl top_5j3b 1000 twoarcs
layer 0
extend top_3lk top_3u1 len 330