Train = 1 arrived the railway towards the east Train = 2 arrived the railway towards the east Train = 1 entered the railway towards the east Train = 2 entered the railway towards the east Train = 4 arrived the railway towards the west Train = 4 arrived the railway towards the west Train = 0 arrived the railway towards the west Train = 1 exited the railway towards the east Train = 2 exited the railway towards the east Train = 4 entered the railway towards the west Train = 4 entered the railway towards the west Train = 0 entered the railway towards the west Train = 4 exited the railway towards the west Train = 4 exited the railway towards the west Train = 0 exited the railway towards the west