v 49.204974 42.739115 -4.371828 v 49.204974 42.739115 4.371828 v 49.247693 42.601184 -4.371828 v 49.247693 42.601184 4.371828 v 57.556311 45.328845 -4.371828 v 57.556311 45.328845 4.371828 v 57.600853 45.185029 -4.371828 v 57.600853 45.185029 4.371828 f 1 3 4 f 4 2 1 f 5 6 8 f 8 7 5 f 1 2 6 f 6 5 1 f 3 7 8 f 8 4 3 f 1 5 7 f 7 3 1 f 2 4 8 f 8 6 2