v 42.677702 17.779508 -4.679872 v 42.677702 17.779508 4.679872 v 42.746114 17.512371 -4.679872 v 42.746114 17.512371 4.679872 v 51.743802 20.105584 -4.679872 v 51.743802 20.105584 4.679872 v 51.814288 19.830348 -4.679872 v 51.814288 19.830348 4.679872 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