v 51.147500 39.389888 -4.421212 v 51.147500 39.389888 4.421212 v 51.188957 39.251381 -4.421212 v 51.188957 39.251381 4.421212 v 59.617764 41.928208 -4.421212 v 59.617764 41.928208 4.421212 v 59.660883 41.784151 -4.421212 v 59.660883 41.784151 4.421212 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